feat: A new message `FoundationModelTuningOptions` is added

feat: A new field `foundation_model_tuning_options` is added to message `.google.cloud.documentai.v1.TrainProcessorVersionRequest`
docs: updated comments

PiperOrigin-RevId: 625415406

5 files changed, 224 insertions, 332 deletions

diff --git a/google/cloud/documentai/v1/document.proto b/google/cloud/documentai/v1/document.proto
index 8c66f6b93..1d6f22fd1 100644
--- a/google/cloud/documentai/v1/document.proto
+++ b/google/cloud/documentai/v1/document.proto
@@ -50,8 +50,7 @@ message Document {
     // Total number of shards.
     int64 shard_count = 2;
 
-    // The index of the first character in
-    // [Document.text][google.cloud.documentai.v1.Document.text] in the overall
+    // The index of the first character in [Document.text][google.cloud.documentai.v1.Document.text] in the overall
     // document global text.
     int64 text_offset = 3;
   }
@@ -69,8 +68,7 @@ message Document {
       string unit = 2;
     }
 
-    // Text anchor indexing into the
-    // [Document.text][google.cloud.documentai.v1.Document.text].
+    // Text anchor indexing into the [Document.text][google.cloud.documentai.v1.Document.text].
     TextAnchor text_anchor = 1;
 
     // Text color.
@@ -174,31 +172,25 @@ message Document {
         PAGE_LEFT = 4;
       }
 
-      // Text anchor indexing into the
-      // [Document.text][google.cloud.documentai.v1.Document.text].
+      // Text anchor indexing into the [Document.text][google.cloud.documentai.v1.Document.text].
       TextAnchor text_anchor = 1;
 
-      // Confidence of the current
-      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] within
-      // context of the object this layout is for. e.g. confidence can be for a
-      // single token, a table, a visual element, etc. depending on context.
-      // Range `[0, 1]`.
+      // Confidence of the current [Layout][google.cloud.documentai.v1.Document.Page.Layout] within context of the object this
+      // layout is for. e.g. confidence can be for a single token, a table,
+      // a visual element, etc. depending on context. Range `[0, 1]`.
       float confidence = 2;
 
-      // The bounding polygon for the
-      // [Layout][google.cloud.documentai.v1.Document.Page.Layout].
+      // The bounding polygon for the [Layout][google.cloud.documentai.v1.Document.Page.Layout].
       BoundingPoly bounding_poly = 3;
 
-      // Detected orientation for the
-      // [Layout][google.cloud.documentai.v1.Document.Page.Layout].
+      // Detected orientation for the [Layout][google.cloud.documentai.v1.Document.Page.Layout].
       Orientation orientation = 4;
     }
 
     // A block has a set of lines (collected into paragraphs) that have a
     // common line-spacing and orientation.
     message Block {
-      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for
-      // [Block][google.cloud.documentai.v1.Document.Page.Block].
+      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for [Block][google.cloud.documentai.v1.Document.Page.Block].
       Layout layout = 1;
 
       // A list of detected languages together with confidence.
@@ -210,8 +202,7 @@ message Document {
 
     // A collection of lines that a human would perceive as a paragraph.
     message Paragraph {
-      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for
-      // [Paragraph][google.cloud.documentai.v1.Document.Page.Paragraph].
+      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for [Paragraph][google.cloud.documentai.v1.Document.Page.Paragraph].
       Layout layout = 1;
 
       // A list of detected languages together with confidence.
@@ -224,8 +215,7 @@ message Document {
     // A collection of tokens that a human would perceive as a line.
     // Does not cross column boundaries, can be horizontal, vertical, etc.
     message Line {
-      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for
-      // [Line][google.cloud.documentai.v1.Document.Page.Line].
+      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for [Line][google.cloud.documentai.v1.Document.Page.Line].
       Layout layout = 1;
 
       // A list of detected languages together with confidence.
@@ -237,8 +227,7 @@ message Document {
 
     // A detected token.
     message Token {
-      // Detected break at the end of a
-      // [Token][google.cloud.documentai.v1.Document.Page.Token].
+      // Detected break at the end of a [Token][google.cloud.documentai.v1.Document.Page.Token].
       message DetectedBreak {
         // Enum to denote the type of break found.
         enum Type {
@@ -264,9 +253,8 @@ message Document {
         // Font size in points (`1` point is `¹⁄₇₂` inches).
         int32 font_size = 1;
 
-        // Font size in pixels, equal to _unrounded
-        // [font_size][google.cloud.documentai.v1.Document.Page.Token.StyleInfo.font_size]_
-        // * _resolution_ ÷ `72.0`.
+        // Font size in pixels, equal to _unrounded [font_size][google.cloud.documentai.v1.Document.Page.Token.StyleInfo.font_size]_ *
+        // _resolution_ ÷ `72.0`.
         double pixel_font_size = 2;
 
         // Letter spacing in points.
@@ -275,9 +263,8 @@ message Document {
         // Name or style of the font.
         string font_type = 4;
 
-        // Whether the text is bold (equivalent to
-        // [font_weight][google.cloud.documentai.v1.Document.Page.Token.StyleInfo.font_weight]
-        // is at least `700`).
+        // Whether the text is bold (equivalent to [font_weight][google.cloud.documentai.v1.Document.Page.Token.StyleInfo.font_weight] is at least
+        // `700`).
         bool bold = 5;
 
         // Whether the text is italic.
@@ -312,12 +299,10 @@ message Document {
         google.type.Color background_color = 15;
       }
 
-      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for
-      // [Token][google.cloud.documentai.v1.Document.Page.Token].
+      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for [Token][google.cloud.documentai.v1.Document.Page.Token].
       Layout layout = 1;
 
-      // Detected break at the end of a
-      // [Token][google.cloud.documentai.v1.Document.Page.Token].
+      // Detected break at the end of a [Token][google.cloud.documentai.v1.Document.Page.Token].
       DetectedBreak detected_break = 2;
 
       // A list of detected languages together with confidence.
@@ -332,8 +317,7 @@ message Document {
 
     // A detected symbol.
     message Symbol {
-      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for
-      // [Symbol][google.cloud.documentai.v1.Document.Page.Symbol].
+      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for [Symbol][google.cloud.documentai.v1.Document.Page.Symbol].
       Layout layout = 1;
 
       // A list of detected languages together with confidence.
@@ -343,12 +327,10 @@ message Document {
     // Detected non-text visual elements e.g. checkbox, signature etc. on the
     // page.
     message VisualElement {
-      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for
-      // [VisualElement][google.cloud.documentai.v1.Document.Page.VisualElement].
+      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for [VisualElement][google.cloud.documentai.v1.Document.Page.VisualElement].
       Layout layout = 1;
 
-      // Type of the
-      // [VisualElement][google.cloud.documentai.v1.Document.Page.VisualElement].
+      // Type of the [VisualElement][google.cloud.documentai.v1.Document.Page.VisualElement].
       string type = 2;
 
       // A list of detected languages together with confidence.
@@ -365,8 +347,7 @@ message Document {
 
       // A cell representation inside the table.
       message TableCell {
-        // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for
-        // [TableCell][google.cloud.documentai.v1.Document.Page.Table.TableCell].
+        // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for [TableCell][google.cloud.documentai.v1.Document.Page.Table.TableCell].
         Layout layout = 1;
 
         // How many rows this cell spans.
@@ -379,8 +360,7 @@ message Document {
         repeated DetectedLanguage detected_languages = 4;
       }
 
-      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for
-      // [Table][google.cloud.documentai.v1.Document.Page.Table].
+      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for [Table][google.cloud.documentai.v1.Document.Page.Table].
       Layout layout = 1;
 
       // Header rows of the table.
@@ -398,13 +378,11 @@ message Document {
 
     // A form field detected on the page.
     message FormField {
-      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
-      // [FormField][google.cloud.documentai.v1.Document.Page.FormField] name.
-      // e.g. `Address`, `Email`, `Grand total`, `Phone number`, etc.
+      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the [FormField][google.cloud.documentai.v1.Document.Page.FormField] name. e.g. `Address`, `Email`,
+      // `Grand total`, `Phone number`, etc.
       Layout field_name = 1;
 
-      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the
-      // [FormField][google.cloud.documentai.v1.Document.Page.FormField] value.
+      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for the [FormField][google.cloud.documentai.v1.Document.Page.FormField] value.
       Layout field_value = 2;
 
       // A list of detected languages for name together with confidence.
@@ -437,12 +415,10 @@ message Document {
 
     // A detected barcode.
     message DetectedBarcode {
-      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for
-      // [DetectedBarcode][google.cloud.documentai.v1.Document.Page.DetectedBarcode].
+      // [Layout][google.cloud.documentai.v1.Document.Page.Layout] for [DetectedBarcode][google.cloud.documentai.v1.Document.Page.DetectedBarcode].
       Layout layout = 1;
 
-      // Detailed barcode information of the
-      // [DetectedBarcode][google.cloud.documentai.v1.Document.Page.DetectedBarcode].
+      // Detailed barcode information of the [DetectedBarcode][google.cloud.documentai.v1.Document.Page.DetectedBarcode].
       Barcode barcode = 2;
     }
 
@@ -485,11 +461,9 @@ message Document {
       repeated DetectedDefect detected_defects = 2;
     }
 
-    // 1-based index for current
-    // [Page][google.cloud.documentai.v1.Document.Page] in a parent
-    // [Document][google.cloud.documentai.v1.Document]. Useful when a page is
-    // taken out of a [Document][google.cloud.documentai.v1.Document] for
-    // individual processing.
+    // 1-based index for current [Page][google.cloud.documentai.v1.Document.Page] in a parent [Document][google.cloud.documentai.v1.Document].
+    // Useful when a page is taken out of a [Document][google.cloud.documentai.v1.Document] for individual
+    // processing.
     int32 page_number = 1;
 
     // Rendered image for this page. This image is preprocessed to remove any
@@ -602,8 +576,7 @@ message Document {
     }
 
     // Optional. Provenance of the entity.
-    // Text anchor indexing into the
-    // [Document.text][google.cloud.documentai.v1.Document.text].
+    // Text anchor indexing into the [Document.text][google.cloud.documentai.v1.Document.text].
     TextAnchor text_anchor = 1 [(google.api.field_behavior) = OPTIONAL];
 
     // Required. Entity type from a schema e.g. `Address`.
@@ -618,35 +591,32 @@ message Document {
     // Optional. Confidence of detected Schema entity. Range `[0, 1]`.
     float confidence = 5 [(google.api.field_behavior) = OPTIONAL];
 
-    // Optional. Represents the provenance of this entity wrt. the location on
-    // the page where it was found.
+    // Optional. Represents the provenance of this entity wrt. the location on the
+    // page where it was found.
     PageAnchor page_anchor = 6 [(google.api.field_behavior) = OPTIONAL];
 
     // Optional. Canonical id. This will be a unique value in the entity list
     // for this document.
     string id = 7 [(google.api.field_behavior) = OPTIONAL];
 
-    // Optional. Normalized entity value. Absent if the extracted value could
-    // not be converted or the type (e.g. address) is not supported for certain
+    // Optional. Normalized entity value. Absent if the extracted value could not be
+    // converted or the type (e.g. address) is not supported for certain
     // parsers. This field is also only populated for certain supported document
     // types.
-    NormalizedValue normalized_value = 9
-        [(google.api.field_behavior) = OPTIONAL];
+    NormalizedValue normalized_value = 9 [(google.api.field_behavior) = OPTIONAL];
 
-    // Optional. Entities can be nested to form a hierarchical data structure
-    // representing the content in the document.
+    // Optional. Entities can be nested to form a hierarchical data structure representing
+    // the content in the document.
     repeated Entity properties = 10 [(google.api.field_behavior) = OPTIONAL];
 
     // Optional. The history of this annotation.
     Provenance provenance = 11 [(google.api.field_behavior) = OPTIONAL];
 
-    // Optional. Whether the entity will be redacted for de-identification
-    // purposes.
+    // Optional. Whether the entity will be redacted for de-identification purposes.
     bool redacted = 12 [(google.api.field_behavior) = OPTIONAL];
   }
 
-  // Relationship between
-  // [Entities][google.cloud.documentai.v1.Document.Entity].
+  // Relationship between [Entities][google.cloud.documentai.v1.Document.Entity].
   message EntityRelation {
     // Subject entity id.
     string subject_id = 1;
@@ -658,28 +628,21 @@ message Document {
     string relation = 3;
   }
 
-  // Text reference indexing into the
-  // [Document.text][google.cloud.documentai.v1.Document.text].
+  // Text reference indexing into the [Document.text][google.cloud.documentai.v1.Document.text].
   message TextAnchor {
-    // A text segment in the
-    // [Document.text][google.cloud.documentai.v1.Document.text]. The indices
-    // may be out of bounds which indicate that the text extends into another
-    // document shard for large sharded documents. See
-    // [ShardInfo.text_offset][google.cloud.documentai.v1.Document.ShardInfo.text_offset]
+    // A text segment in the [Document.text][google.cloud.documentai.v1.Document.text]. The indices may be out of bounds
+    // which indicate that the text extends into another document shard for
+    // large sharded documents. See [ShardInfo.text_offset][google.cloud.documentai.v1.Document.ShardInfo.text_offset]
     message TextSegment {
-      // [TextSegment][google.cloud.documentai.v1.Document.TextAnchor.TextSegment]
-      // start UTF-8 char index in the
-      // [Document.text][google.cloud.documentai.v1.Document.text].
+      // [TextSegment][google.cloud.documentai.v1.Document.TextAnchor.TextSegment] start UTF-8 char index in the [Document.text][google.cloud.documentai.v1.Document.text].
       int64 start_index = 1;
 
-      // [TextSegment][google.cloud.documentai.v1.Document.TextAnchor.TextSegment]
-      // half open end UTF-8 char index in the
+      // [TextSegment][google.cloud.documentai.v1.Document.TextAnchor.TextSegment] half open end UTF-8 char index in the
       // [Document.text][google.cloud.documentai.v1.Document.text].
       int64 end_index = 2;
     }
 
-    // The text segments from the
-    // [Document.text][google.cloud.documentai.v1.Document.text].
+    // The text segments from the [Document.text][google.cloud.documentai.v1.Document.text].
     repeated TextSegment text_segments = 1;
 
     // Contains the content of the text span so that users do
@@ -688,10 +651,9 @@ message Document {
     string content = 2;
   }
 
-  // Referencing the visual context of the entity in the
-  // [Document.pages][google.cloud.documentai.v1.Document.pages]. Page anchors
-  // can be cross-page, consist of multiple bounding polygons and optionally
-  // reference specific layout element types.
+  // Referencing the visual context of the entity in the [Document.pages][google.cloud.documentai.v1.Document.pages].
+  // Page anchors can be cross-page, consist of multiple bounding polygons and
+  // optionally reference specific layout element types.
   message PageAnchor {
     // Represents a weak reference to a page element within a document.
     message PageRef {
@@ -700,66 +662,49 @@ message Document {
         // Layout Unspecified.
         LAYOUT_TYPE_UNSPECIFIED = 0;
 
-        // References a
-        // [Page.blocks][google.cloud.documentai.v1.Document.Page.blocks]
-        // element.
+        // References a [Page.blocks][google.cloud.documentai.v1.Document.Page.blocks] element.
         BLOCK = 1;
 
-        // References a
-        // [Page.paragraphs][google.cloud.documentai.v1.Document.Page.paragraphs]
-        // element.
+        // References a [Page.paragraphs][google.cloud.documentai.v1.Document.Page.paragraphs] element.
         PARAGRAPH = 2;
 
-        // References a
-        // [Page.lines][google.cloud.documentai.v1.Document.Page.lines] element.
+        // References a [Page.lines][google.cloud.documentai.v1.Document.Page.lines] element.
         LINE = 3;
 
-        // References a
-        // [Page.tokens][google.cloud.documentai.v1.Document.Page.tokens]
-        // element.
+        // References a [Page.tokens][google.cloud.documentai.v1.Document.Page.tokens] element.
         TOKEN = 4;
 
-        // References a
-        // [Page.visual_elements][google.cloud.documentai.v1.Document.Page.visual_elements]
-        // element.
+        // References a [Page.visual_elements][google.cloud.documentai.v1.Document.Page.visual_elements] element.
         VISUAL_ELEMENT = 5;
 
-        // Refrrences a
-        // [Page.tables][google.cloud.documentai.v1.Document.Page.tables]
-        // element.
+        // Refrrences a [Page.tables][google.cloud.documentai.v1.Document.Page.tables] element.
         TABLE = 6;
 
-        // References a
-        // [Page.form_fields][google.cloud.documentai.v1.Document.Page.form_fields]
-        // element.
+        // References a [Page.form_fields][google.cloud.documentai.v1.Document.Page.form_fields] element.
         FORM_FIELD = 7;
       }
 
-      // Required. Index into the
-      // [Document.pages][google.cloud.documentai.v1.Document.pages] element,
-      // for example using
+      // Required. Index into the [Document.pages][google.cloud.documentai.v1.Document.pages] element, for example using
       // `[Document.pages][page_refs.page]` to locate the related page element.
       // This field is skipped when its value is the default `0`. See
       // https://developers.google.com/protocol-buffers/docs/proto3#json.
       int64 page = 1 [(google.api.field_behavior) = REQUIRED];
 
-      // Optional. The type of the layout element that is being referenced if
-      // any.
+      // Optional. The type of the layout element that is being referenced if any.
       LayoutType layout_type = 2 [(google.api.field_behavior) = OPTIONAL];
 
-      // Optional. Deprecated.  Use
-      // [PageRef.bounding_poly][google.cloud.documentai.v1.Document.PageAnchor.PageRef.bounding_poly]
-      // instead.
-      string layout_id = 3
-          [deprecated = true, (google.api.field_behavior) = OPTIONAL];
+      // Optional. Deprecated.  Use [PageRef.bounding_poly][google.cloud.documentai.v1.Document.PageAnchor.PageRef.bounding_poly] instead.
+      string layout_id = 3 [
+        deprecated = true,
+        (google.api.field_behavior) = OPTIONAL
+      ];
 
-      // Optional. Identifies the bounding polygon of a layout element on the
-      // page. If `layout_type` is set, the bounding polygon must be exactly the
-      // same to the layout element it's referring to.
+      // Optional. Identifies the bounding polygon of a layout element on the page.
+      // If `layout_type` is set, the bounding polygon must be exactly the same
+      // to the layout element it's referring to.
       BoundingPoly bounding_poly = 4 [(google.api.field_behavior) = OPTIONAL];
 
-      // Optional. Confidence of detected page element, if applicable. Range
-      // `[0, 1]`.
+      // Optional. Confidence of detected page element, if applicable. Range `[0, 1]`.
       float confidence = 5 [(google.api.field_behavior) = OPTIONAL];
     }
 
@@ -879,9 +824,8 @@ message Document {
   // This message is used for text changes aka. OCR corrections.
   message TextChange {
     // Provenance of the correction.
-    // Text anchor indexing into the
-    // [Document.text][google.cloud.documentai.v1.Document.text].  There can
-    // only be a single `TextAnchor.text_segments` element.  If the start and
+    // Text anchor indexing into the [Document.text][google.cloud.documentai.v1.Document.text].  There can only be a
+    // single `TextAnchor.text_segments` element.  If the start and
     // end index of the text segment are the same, the text change is inserted
     // before that index.
     TextAnchor text_anchor = 1;
@@ -920,19 +864,16 @@ message Document {
   // Visual page layout for the [Document][google.cloud.documentai.v1.Document].
   repeated Page pages = 6;
 
-  // A list of entities detected on
-  // [Document.text][google.cloud.documentai.v1.Document.text]. For document
-  // shards, entities in this list may cross shard boundaries.
+  // A list of entities detected on [Document.text][google.cloud.documentai.v1.Document.text]. For document shards,
+  // entities in this list may cross shard boundaries.
   repeated Entity entities = 7;
 
-  // Placeholder.  Relationship among
-  // [Document.entities][google.cloud.documentai.v1.Document.entities].
+  // Placeholder.  Relationship among [Document.entities][google.cloud.documentai.v1.Document.entities].
   repeated EntityRelation entity_relations = 8;
 
-  // Placeholder.  A list of text corrections made to
-  // [Document.text][google.cloud.documentai.v1.Document.text].  This is usually
-  // used for annotating corrections to OCR mistakes.  Text changes for a given
-  // revision may not overlap with each other.
+  // Placeholder.  A list of text corrections made to [Document.text][google.cloud.documentai.v1.Document.text].  This
+  // is usually used for annotating corrections to OCR mistakes.  Text changes
+  // for a given revision may not overlap with each other.
   repeated TextChange text_changes = 14;
 
   // Information about the sharding if this document is sharded part of a larger
diff --git a/google/cloud/documentai/v1/document_io.proto b/google/cloud/documentai/v1/document_io.proto
index 26637a166..fb93ffcf1 100644
--- a/google/cloud/documentai/v1/document_io.proto
+++ b/google/cloud/documentai/v1/document_io.proto
@@ -160,9 +160,7 @@ message OcrConfig {
   bool enable_symbol = 6;
 
   // Turn on font identification model and return font style information.
-  // Deprecated, use
-  // [PremiumFeatures.compute_style_info][google.cloud.documentai.v1.OcrConfig.PremiumFeatures.compute_style_info]
-  // instead.
+  // Deprecated, use [PremiumFeatures.compute_style_info][google.cloud.documentai.v1.OcrConfig.PremiumFeatures.compute_style_info] instead.
   bool compute_style_info = 8 [deprecated = true];
 
   // Turn off character box detector in OCR engine. Character box detection is
diff --git a/google/cloud/documentai/v1/document_processor_service.proto b/google/cloud/documentai/v1/document_processor_service.proto
index 447b28ba1..cf40d9dd8 100644
--- a/google/cloud/documentai/v1/document_processor_service.proto
+++ b/google/cloud/documentai/v1/document_processor_service.proto
@@ -55,8 +55,7 @@ option (google.api.resource_definition) = {
 // structured information from unstructured or semi-structured documents.
 service DocumentProcessorService {
   option (google.api.default_host) = "documentai.googleapis.com";
-  option (google.api.oauth_scopes) =
-      "https://www.googleapis.com/auth/cloud-platform";
+  option (google.api.oauth_scopes) = "https://www.googleapis.com/auth/cloud-platform";
 
   // Processes a single document.
   rpc ProcessDocument(ProcessRequest) returns (ProcessResponse) {
@@ -73,8 +72,7 @@ service DocumentProcessorService {
 
   // LRO endpoint to batch process many documents. The output is written
   // to Cloud Storage as JSON in the [Document] format.
-  rpc BatchProcessDocuments(BatchProcessRequest)
-      returns (google.longrunning.Operation) {
+  rpc BatchProcessDocuments(BatchProcessRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/{name=projects/*/locations/*/processors/*}:batchProcess"
       body: "*"
@@ -90,11 +88,9 @@ service DocumentProcessorService {
     };
   }
 
-  // Fetches processor types. Note that we don't use
-  // [ListProcessorTypes][google.cloud.documentai.v1.DocumentProcessorService.ListProcessorTypes]
+  // Fetches processor types. Note that we don't use [ListProcessorTypes][google.cloud.documentai.v1.DocumentProcessorService.ListProcessorTypes]
   // here, because it isn't paginated.
-  rpc FetchProcessorTypes(FetchProcessorTypesRequest)
-      returns (FetchProcessorTypesResponse) {
+  rpc FetchProcessorTypes(FetchProcessorTypesRequest) returns (FetchProcessorTypesResponse) {
     option (google.api.http) = {
       get: "/v1/{parent=projects/*/locations/*}:fetchProcessorTypes"
     };
@@ -102,8 +98,7 @@ service DocumentProcessorService {
   }
 
   // Lists the processor types that exist.
-  rpc ListProcessorTypes(ListProcessorTypesRequest)
-      returns (ListProcessorTypesResponse) {
+  rpc ListProcessorTypes(ListProcessorTypesRequest) returns (ListProcessorTypesResponse) {
     option (google.api.http) = {
       get: "/v1/{parent=projects/*/locations/*}/processorTypes"
     };
@@ -137,8 +132,7 @@ service DocumentProcessorService {
   // Trains a new processor version.
   // Operation metadata is returned as
   // [TrainProcessorVersionMetadata][google.cloud.documentai.v1.TrainProcessorVersionMetadata].
-  rpc TrainProcessorVersion(TrainProcessorVersionRequest)
-      returns (google.longrunning.Operation) {
+  rpc TrainProcessorVersion(TrainProcessorVersionRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/{parent=projects/*/locations/*/processors/*}/processorVersions:train"
       body: "*"
@@ -151,8 +145,7 @@ service DocumentProcessorService {
   }
 
   // Gets a processor version detail.
-  rpc GetProcessorVersion(GetProcessorVersionRequest)
-      returns (ProcessorVersion) {
+  rpc GetProcessorVersion(GetProcessorVersionRequest) returns (ProcessorVersion) {
     option (google.api.http) = {
       get: "/v1/{name=projects/*/locations/*/processors/*/processorVersions/*}"
     };
@@ -160,8 +153,7 @@ service DocumentProcessorService {
   }
 
   // Lists all versions of a processor.
-  rpc ListProcessorVersions(ListProcessorVersionsRequest)
-      returns (ListProcessorVersionsResponse) {
+  rpc ListProcessorVersions(ListProcessorVersionsRequest) returns (ListProcessorVersionsResponse) {
     option (google.api.http) = {
       get: "/v1/{parent=projects/*/locations/*/processors/*}/processorVersions"
     };
@@ -170,8 +162,7 @@ service DocumentProcessorService {
 
   // Deletes the processor version, all artifacts under the processor version
   // will be deleted.
-  rpc DeleteProcessorVersion(DeleteProcessorVersionRequest)
-      returns (google.longrunning.Operation) {
+  rpc DeleteProcessorVersion(DeleteProcessorVersionRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       delete: "/v1/{name=projects/*/locations/*/processors/*/processorVersions/*}"
     };
@@ -183,8 +174,7 @@ service DocumentProcessorService {
   }
 
   // Deploys the processor version.
-  rpc DeployProcessorVersion(DeployProcessorVersionRequest)
-      returns (google.longrunning.Operation) {
+  rpc DeployProcessorVersion(DeployProcessorVersionRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/{name=projects/*/locations/*/processors/*/processorVersions/*}:deploy"
       body: "*"
@@ -197,8 +187,7 @@ service DocumentProcessorService {
   }
 
   // Undeploys the processor version.
-  rpc UndeployProcessorVersion(UndeployProcessorVersionRequest)
-      returns (google.longrunning.Operation) {
+  rpc UndeployProcessorVersion(UndeployProcessorVersionRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/{name=projects/*/locations/*/processors/*/processorVersions/*}:undeploy"
       body: "*"
@@ -210,9 +199,8 @@ service DocumentProcessorService {
     };
   }
 
-  // Creates a processor from the
-  // [ProcessorType][google.cloud.documentai.v1.ProcessorType] provided. The
-  // processor will be at `ENABLED` state by default after its creation.
+  // Creates a processor from the [ProcessorType][google.cloud.documentai.v1.ProcessorType] provided.
+  // The processor will be at `ENABLED` state by default after its creation.
   rpc CreateProcessor(CreateProcessorRequest) returns (Processor) {
     option (google.api.http) = {
       post: "/v1/{parent=projects/*/locations/*}/processors"
@@ -223,8 +211,7 @@ service DocumentProcessorService {
 
   // Deletes the processor, unloads all deployed model artifacts if it was
   // enabled and then deletes all artifacts associated with this processor.
-  rpc DeleteProcessor(DeleteProcessorRequest)
-      returns (google.longrunning.Operation) {
+  rpc DeleteProcessor(DeleteProcessorRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       delete: "/v1/{name=projects/*/locations/*/processors/*}"
     };
@@ -236,8 +223,7 @@ service DocumentProcessorService {
   }
 
   // Enables a processor
-  rpc EnableProcessor(EnableProcessorRequest)
-      returns (google.longrunning.Operation) {
+  rpc EnableProcessor(EnableProcessorRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/{name=projects/*/locations/*/processors/*}:enable"
       body: "*"
@@ -249,8 +235,7 @@ service DocumentProcessorService {
   }
 
   // Disables a processor
-  rpc DisableProcessor(DisableProcessorRequest)
-      returns (google.longrunning.Operation) {
+  rpc DisableProcessor(DisableProcessorRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/{name=projects/*/locations/*/processors/*}:disable"
       body: "*"
@@ -261,13 +246,10 @@ service DocumentProcessorService {
     };
   }
 
-  // Set the default (active) version of a
-  // [Processor][google.cloud.documentai.v1.Processor] that will be used in
-  // [ProcessDocument][google.cloud.documentai.v1.DocumentProcessorService.ProcessDocument]
-  // and
+  // Set the default (active) version of a [Processor][google.cloud.documentai.v1.Processor] that will be used in
+  // [ProcessDocument][google.cloud.documentai.v1.DocumentProcessorService.ProcessDocument] and
   // [BatchProcessDocuments][google.cloud.documentai.v1.DocumentProcessorService.BatchProcessDocuments].
-  rpc SetDefaultProcessorVersion(SetDefaultProcessorVersionRequest)
-      returns (google.longrunning.Operation) {
+  rpc SetDefaultProcessorVersion(SetDefaultProcessorVersionRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/{processor=projects/*/locations/*/processors/*}:setDefaultProcessorVersion"
       body: "*"
@@ -280,8 +262,7 @@ service DocumentProcessorService {
 
   // Send a document for Human Review. The input document should be processed by
   // the specified processor.
-  rpc ReviewDocument(ReviewDocumentRequest)
-      returns (google.longrunning.Operation) {
+  rpc ReviewDocument(ReviewDocumentRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/{human_review_config=projects/*/locations/*/processors/*/humanReviewConfig}:reviewDocument"
       body: "*"
@@ -295,8 +276,7 @@ service DocumentProcessorService {
 
   // Evaluates a ProcessorVersion against annotated documents, producing an
   // Evaluation.
-  rpc EvaluateProcessorVersion(EvaluateProcessorVersionRequest)
-      returns (google.longrunning.Operation) {
+  rpc EvaluateProcessorVersion(EvaluateProcessorVersionRequest) returns (google.longrunning.Operation) {
     option (google.api.http) = {
       post: "/v1/{processor_version=projects/*/locations/*/processors/*/processorVersions/*}:evaluateProcessorVersion"
       body: "*"
@@ -317,8 +297,7 @@ service DocumentProcessorService {
   }
 
   // Retrieves a set of evaluations for a given processor version.
-  rpc ListEvaluations(ListEvaluationsRequest)
-      returns (ListEvaluationsResponse) {
+  rpc ListEvaluations(ListEvaluationsRequest) returns (ListEvaluationsResponse) {
     option (google.api.http) = {
       get: "/v1/{parent=projects/*/locations/*/processors/*/processorVersions/*}/evaluations"
     };
@@ -336,8 +315,7 @@ message ProcessOptions {
 
   // A subset of pages to process. If not specified, all pages are processed.
   // If a page range is set, only the given pages are extracted and processed
-  // from the document. In the output document,
-  // [Document.Page.page_number][google.cloud.documentai.v1.Document.Page.page_number]
+  // from the document. In the output document, [Document.Page.page_number][google.cloud.documentai.v1.Document.Page.page_number]
   // refers to the page number in the original document. This configuration
   // only applies to sync requests.
   oneof page_range {
@@ -356,17 +334,14 @@ message ProcessOptions {
   // Returns error if set on other processor types.
   OcrConfig ocr_config = 1;
 
-  // Optional. Override the schema of the
-  // [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion]. Will
-  // return an Invalid Argument error if this field is set when the underlying
-  // [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion] doesn't
-  // support schema override.
+  // Optional. Override the schema of the [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion]. Will return an Invalid
+  // Argument error if this field is set when the underlying
+  // [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion] doesn't support schema override.
   DocumentSchema schema_override = 8 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Request message for the
-// [ProcessDocument][google.cloud.documentai.v1.DocumentProcessorService.ProcessDocument]
-// method.
+// [ProcessDocument][google.cloud.documentai.v1.DocumentProcessorService.ProcessDocument] method.
 message ProcessRequest {
   // The document payload.
   oneof source {
@@ -380,27 +355,24 @@ message ProcessRequest {
     GcsDocument gcs_document = 8;
   }
 
-  // Required. The resource name of the
-  // [Processor][google.cloud.documentai.v1.Processor] or
+  // Required. The resource name of the [Processor][google.cloud.documentai.v1.Processor] or
   // [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion]
-  // to use for processing. If a
-  // [Processor][google.cloud.documentai.v1.Processor] is specified, the server
-  // will use its [default
-  // version][google.cloud.documentai.v1.Processor.default_processor_version].
-  // Format: `projects/{project}/locations/{location}/processors/{processor}`,
-  // or
+  // to use for processing. If a [Processor][google.cloud.documentai.v1.Processor] is specified, the server will use
+  // its [default version][google.cloud.documentai.v1.Processor.default_processor_version]. Format:
+  // `projects/{project}/locations/{location}/processors/{processor}`, or
   // `projects/{project}/locations/{location}/processors/{processor}/processorVersions/{processorVersion}`
   string name = 1 [
     (google.api.field_behavior) = REQUIRED,
-    (google.api.resource_reference) = { type: "*" }
+    (google.api.resource_reference) = {
+      type: "*"
+    }
   ];
 
   // Whether human review should be skipped for this request. Default to
   // `false`.
   bool skip_human_review = 3;
 
-  // Specifies which fields to include in the
-  // [ProcessResponse.document][google.cloud.documentai.v1.ProcessResponse.document]
+  // Specifies which fields to include in the [ProcessResponse.document][google.cloud.documentai.v1.ProcessResponse.document]
   // output. Only supports top-level document and pages field, so it must be in
   // the form of `{document_field_name}` or `pages.{page_field_name}`.
   google.protobuf.FieldMask field_mask = 6;
@@ -436,8 +408,7 @@ message HumanReviewStatus {
     IN_PROGRESS = 3;
 
     // Some error happened during triggering human review, see the
-    // [state_message][google.cloud.documentai.v1.HumanReviewStatus.state_message]
-    // for details.
+    // [state_message][google.cloud.documentai.v1.HumanReviewStatus.state_message] for details.
     ERROR = 4;
   }
 
@@ -448,17 +419,14 @@ message HumanReviewStatus {
   string state_message = 2;
 
   // The name of the operation triggered by the processed document. This field
-  // is populated only when the
-  // [state][google.cloud.documentai.v1.HumanReviewStatus.state] is
-  // `HUMAN_REVIEW_IN_PROGRESS`. It has the same response type and metadata as
-  // the long-running operation returned by
-  // [ReviewDocument][google.cloud.documentai.v1.DocumentProcessorService.ReviewDocument].
+  // is populated only when the [state][google.cloud.documentai.v1.HumanReviewStatus.state] is `HUMAN_REVIEW_IN_PROGRESS`. It has
+  // the same response type and metadata as the long-running operation returned
+  // by [ReviewDocument][google.cloud.documentai.v1.DocumentProcessorService.ReviewDocument].
   string human_review_operation = 3;
 }
 
 // Response message for the
-// [ProcessDocument][google.cloud.documentai.v1.DocumentProcessorService.ProcessDocument]
-// method.
+// [ProcessDocument][google.cloud.documentai.v1.DocumentProcessorService.ProcessDocument] method.
 message ProcessResponse {
   // The document payload, will populate fields based on the processor's
   // behavior.
@@ -471,15 +439,16 @@ message ProcessResponse {
 // Request message for
 // [BatchProcessDocuments][google.cloud.documentai.v1.DocumentProcessorService.BatchProcessDocuments].
 message BatchProcessRequest {
-  // Required. The resource name of
-  // [Processor][google.cloud.documentai.v1.Processor] or
+  // Required. The resource name of [Processor][google.cloud.documentai.v1.Processor] or
   // [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion].
   // Format: `projects/{project}/locations/{location}/processors/{processor}`,
   // or
   // `projects/{project}/locations/{location}/processors/{processor}/processorVersions/{processorVersion}`
   string name = 1 [
     (google.api.field_behavior) = REQUIRED,
-    (google.api.resource_reference) = { type: "*" }
+    (google.api.resource_reference) = {
+      type: "*"
+    }
   ];
 
   // The input documents for the
@@ -510,24 +479,25 @@ message BatchProcessRequest {
 
 // Response message for
 // [BatchProcessDocuments][google.cloud.documentai.v1.DocumentProcessorService.BatchProcessDocuments].
-message BatchProcessResponse {}
+message BatchProcessResponse {
+
+}
 
 // The long-running operation metadata for
 // [BatchProcessDocuments][google.cloud.documentai.v1.DocumentProcessorService.BatchProcessDocuments].
 message BatchProcessMetadata {
   // The status of a each individual document in the batch process.
   message IndividualProcessStatus {
-    // The source of the document, same as the
-    // [input_gcs_source][google.cloud.documentai.v1.BatchProcessMetadata.IndividualProcessStatus.input_gcs_source]
-    // field in the request when the batch process started.
+    // The source of the document, same as the [input_gcs_source][google.cloud.documentai.v1.BatchProcessMetadata.IndividualProcessStatus.input_gcs_source] field in the
+    // request when the batch process started.
     string input_gcs_source = 1;
 
     // The status processing the document.
     google.rpc.Status status = 2;
 
     // The Cloud Storage output destination (in the request as
-    // [DocumentOutputConfig.GcsOutputConfig.gcs_uri][google.cloud.documentai.v1.DocumentOutputConfig.GcsOutputConfig.gcs_uri])
-    // of the processed document if it was successful, otherwise empty.
+    // [DocumentOutputConfig.GcsOutputConfig.gcs_uri][google.cloud.documentai.v1.DocumentOutputConfig.GcsOutputConfig.gcs_uri]) of the processed
+    // document if it was successful, otherwise empty.
     string output_gcs_destination = 3;
 
     // The status of human review on the processed document.
@@ -576,9 +546,8 @@ message BatchProcessMetadata {
 }
 
 // Request message for the
-// [FetchProcessorTypes][google.cloud.documentai.v1.DocumentProcessorService.FetchProcessorTypes]
-// method. Some processor types may require the project be added to an
-// allowlist.
+// [FetchProcessorTypes][google.cloud.documentai.v1.DocumentProcessorService.FetchProcessorTypes] method.
+// Some processor types may require the project be added to an allowlist.
 message FetchProcessorTypesRequest {
   // Required. The location of processor types to list.
   // Format: `projects/{project}/locations/{location}`.
@@ -591,17 +560,15 @@ message FetchProcessorTypesRequest {
 }
 
 // Response message for the
-// [FetchProcessorTypes][google.cloud.documentai.v1.DocumentProcessorService.FetchProcessorTypes]
-// method.
+// [FetchProcessorTypes][google.cloud.documentai.v1.DocumentProcessorService.FetchProcessorTypes] method.
 message FetchProcessorTypesResponse {
   // The list of processor types.
   repeated ProcessorType processor_types = 1;
 }
 
 // Request message for the
-// [ListProcessorTypes][google.cloud.documentai.v1.DocumentProcessorService.ListProcessorTypes]
-// method. Some processor types may require the project be added to an
-// allowlist.
+// [ListProcessorTypes][google.cloud.documentai.v1.DocumentProcessorService.ListProcessorTypes] method.
+// Some processor types may require the project be added to an allowlist.
 message ListProcessorTypesRequest {
   // Required. The location of processor types to list.
   // Format: `projects/{project}/locations/{location}`.
@@ -622,8 +589,7 @@ message ListProcessorTypesRequest {
 }
 
 // Response message for the
-// [ListProcessorTypes][google.cloud.documentai.v1.DocumentProcessorService.ListProcessorTypes]
-// method.
+// [ListProcessorTypes][google.cloud.documentai.v1.DocumentProcessorService.ListProcessorTypes] method.
 message ListProcessorTypesResponse {
   // The processor types.
   repeated ProcessorType processor_types = 1;
@@ -634,8 +600,8 @@ message ListProcessorTypesResponse {
 
 // Request message for list all processors belongs to a project.
 message ListProcessorsRequest {
-  // Required. The parent (project and location) which owns this collection of
-  // Processors. Format: `projects/{project}/locations/{location}`
+  // Required. The parent (project and location) which owns this collection of Processors.
+  // Format: `projects/{project}/locations/{location}`
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -654,8 +620,7 @@ message ListProcessorsRequest {
 }
 
 // Response message for the
-// [ListProcessors][google.cloud.documentai.v1.DocumentProcessorService.ListProcessors]
-// method.
+// [ListProcessors][google.cloud.documentai.v1.DocumentProcessorService.ListProcessors] method.
 message ListProcessorsResponse {
   // The list of processors.
   repeated Processor processors = 1;
@@ -665,8 +630,7 @@ message ListProcessorsResponse {
 }
 
 // Request message for the
-// [GetProcessorType][google.cloud.documentai.v1.DocumentProcessorService.GetProcessorType]
-// method.
+// [GetProcessorType][google.cloud.documentai.v1.DocumentProcessorService.GetProcessorType] method.
 message GetProcessorTypeRequest {
   // Required. The processor type resource name.
   string name = 1 [
@@ -677,8 +641,7 @@ message GetProcessorTypeRequest {
   ];
 }
 
-// Request message for the
-// [GetProcessor][google.cloud.documentai.v1.DocumentProcessorService.GetProcessor]
+// Request message for the [GetProcessor][google.cloud.documentai.v1.DocumentProcessorService.GetProcessor]
 // method.
 message GetProcessorRequest {
   // Required. The processor resource name.
@@ -691,8 +654,7 @@ message GetProcessorRequest {
 }
 
 // Request message for the
-// [GetProcessorVersion][google.cloud.documentai.v1.DocumentProcessorService.GetProcessorVersion]
-// method.
+// [GetProcessorVersion][google.cloud.documentai.v1.DocumentProcessorService.GetProcessorVersion] method.
 message GetProcessorVersionRequest {
   // Required. The processor resource name.
   string name = 1 [
@@ -705,9 +667,8 @@ message GetProcessorVersionRequest {
 
 // Request message for list all processor versions belongs to a processor.
 message ListProcessorVersionsRequest {
-  // Required. The parent (project, location and processor) to list all
-  // versions. Format:
-  // `projects/{project}/locations/{location}/processors/{processor}`
+  // Required. The parent (project, location and processor) to list all versions.
+  // Format: `projects/{project}/locations/{location}/processors/{processor}`
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -773,7 +734,9 @@ message DeployProcessorVersionRequest {
 // Response message for the
 // [DeployProcessorVersion][google.cloud.documentai.v1.DocumentProcessorService.DeployProcessorVersion]
 // method.
-message DeployProcessorVersionResponse {}
+message DeployProcessorVersionResponse {
+
+}
 
 // The long-running operation metadata for the
 // [DeployProcessorVersion][google.cloud.documentai.v1.DocumentProcessorService.DeployProcessorVersion]
@@ -799,7 +762,9 @@ message UndeployProcessorVersionRequest {
 // Response message for the
 // [UndeployProcessorVersion][google.cloud.documentai.v1.DocumentProcessorService.UndeployProcessorVersion]
 // method.
-message UndeployProcessorVersionResponse {}
+message UndeployProcessorVersionResponse {
+
+}
 
 // The long-running operation metadata for the
 // [UndeployProcessorVersion][google.cloud.documentai.v1.DocumentProcessorService.UndeployProcessorVersion]
@@ -810,13 +775,12 @@ message UndeployProcessorVersionMetadata {
 }
 
 // Request message for the
-// [CreateProcessor][google.cloud.documentai.v1.DocumentProcessorService.CreateProcessor]
-// method. Notice this request is sent to a regionalized backend service. If the
-// [ProcessorType][google.cloud.documentai.v1.ProcessorType] isn't available in
-// that region, the creation fails.
+// [CreateProcessor][google.cloud.documentai.v1.DocumentProcessorService.CreateProcessor] method. Notice
+// this request is sent to a regionalized backend service. If the
+// [ProcessorType][google.cloud.documentai.v1.ProcessorType] isn't available in that region, the creation fails.
 message CreateProcessorRequest {
-  // Required. The parent (project and location) under which to create the
-  // processor. Format: `projects/{project}/locations/{location}`
+  // Required. The parent (project and location) under which to create the processor.
+  // Format: `projects/{project}/locations/{location}`
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -824,18 +788,14 @@ message CreateProcessorRequest {
     }
   ];
 
-  // Required. The processor to be created, requires
-  // [Processor.type][google.cloud.documentai.v1.Processor.type] and
-  // [Processor.display_name][google.cloud.documentai.v1.Processor.display_name]
-  // to be set. Also, the
-  // [Processor.kms_key_name][google.cloud.documentai.v1.Processor.kms_key_name]
+  // Required. The processor to be created, requires [Processor.type][google.cloud.documentai.v1.Processor.type] and
+  // [Processor.display_name][google.cloud.documentai.v1.Processor.display_name] to be set. Also, the [Processor.kms_key_name][google.cloud.documentai.v1.Processor.kms_key_name]
   // field must be set if the processor is under CMEK.
   Processor processor = 2 [(google.api.field_behavior) = REQUIRED];
 }
 
 // Request message for the
-// [DeleteProcessor][google.cloud.documentai.v1.DocumentProcessorService.DeleteProcessor]
-// method.
+// [DeleteProcessor][google.cloud.documentai.v1.DocumentProcessorService.DeleteProcessor] method.
 message DeleteProcessorRequest {
   // Required. The processor resource name to be deleted.
   string name = 1 [
@@ -847,16 +807,14 @@ message DeleteProcessorRequest {
 }
 
 // The long-running operation metadata for the
-// [DeleteProcessor][google.cloud.documentai.v1.DocumentProcessorService.DeleteProcessor]
-// method.
+// [DeleteProcessor][google.cloud.documentai.v1.DocumentProcessorService.DeleteProcessor] method.
 message DeleteProcessorMetadata {
   // The basic metadata of the long-running operation.
   CommonOperationMetadata common_metadata = 5;
 }
 
 // Request message for the
-// [EnableProcessor][google.cloud.documentai.v1.DocumentProcessorService.EnableProcessor]
-// method.
+// [EnableProcessor][google.cloud.documentai.v1.DocumentProcessorService.EnableProcessor] method.
 message EnableProcessorRequest {
   // Required. The processor resource name to be enabled.
   string name = 1 [
@@ -868,21 +826,21 @@ message EnableProcessorRequest {
 }
 
 // Response message for the
-// [EnableProcessor][google.cloud.documentai.v1.DocumentProcessorService.EnableProcessor]
-// method. Intentionally empty proto for adding fields in future.
-message EnableProcessorResponse {}
+// [EnableProcessor][google.cloud.documentai.v1.DocumentProcessorService.EnableProcessor] method.
+// Intentionally empty proto for adding fields in future.
+message EnableProcessorResponse {
+
+}
 
 // The long-running operation metadata for the
-// [EnableProcessor][google.cloud.documentai.v1.DocumentProcessorService.EnableProcessor]
-// method.
+// [EnableProcessor][google.cloud.documentai.v1.DocumentProcessorService.EnableProcessor] method.
 message EnableProcessorMetadata {
   // The basic metadata of the long-running operation.
   CommonOperationMetadata common_metadata = 5;
 }
 
 // Request message for the
-// [DisableProcessor][google.cloud.documentai.v1.DocumentProcessorService.DisableProcessor]
-// method.
+// [DisableProcessor][google.cloud.documentai.v1.DocumentProcessorService.DisableProcessor] method.
 message DisableProcessorRequest {
   // Required. The processor resource name to be disabled.
   string name = 1 [
@@ -894,13 +852,14 @@ message DisableProcessorRequest {
 }
 
 // Response message for the
-// [DisableProcessor][google.cloud.documentai.v1.DocumentProcessorService.DisableProcessor]
-// method. Intentionally empty proto for adding fields in future.
-message DisableProcessorResponse {}
+// [DisableProcessor][google.cloud.documentai.v1.DocumentProcessorService.DisableProcessor] method.
+// Intentionally empty proto for adding fields in future.
+message DisableProcessorResponse {
+
+}
 
 // The long-running operation metadata for the
-// [DisableProcessor][google.cloud.documentai.v1.DocumentProcessorService.DisableProcessor]
-// method.
+// [DisableProcessor][google.cloud.documentai.v1.DocumentProcessorService.DisableProcessor] method.
 message DisableProcessorMetadata {
   // The basic metadata of the long-running operation.
   CommonOperationMetadata common_metadata = 5;
@@ -910,9 +869,7 @@ message DisableProcessorMetadata {
 // [SetDefaultProcessorVersion][google.cloud.documentai.v1.DocumentProcessorService.SetDefaultProcessorVersion]
 // method.
 message SetDefaultProcessorVersionRequest {
-  // Required. The resource name of the
-  // [Processor][google.cloud.documentai.v1.Processor] to change default
-  // version.
+  // Required. The resource name of the [Processor][google.cloud.documentai.v1.Processor] to change default version.
   string processor = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -920,9 +877,8 @@ message SetDefaultProcessorVersionRequest {
     }
   ];
 
-  // Required. The resource name of child
-  // [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion] to use as
-  // default. Format:
+  // Required. The resource name of child [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion] to use as default.
+  // Format:
   // `projects/{project}/locations/{location}/processors/{processor}/processorVersions/{version}`
   string default_processor_version = 2 [
     (google.api.field_behavior) = REQUIRED,
@@ -935,7 +891,9 @@ message SetDefaultProcessorVersionRequest {
 // Response message for the
 // [SetDefaultProcessorVersion][google.cloud.documentai.v1.DocumentProcessorService.SetDefaultProcessorVersion]
 // method.
-message SetDefaultProcessorVersionResponse {}
+message SetDefaultProcessorVersionResponse {
+
+}
 
 // The long-running operation metadata for the
 // [SetDefaultProcessorVersion][google.cloud.documentai.v1.DocumentProcessorService.SetDefaultProcessorVersion]
@@ -949,8 +907,7 @@ message SetDefaultProcessorVersionMetadata {
 // [TrainProcessorVersion][google.cloud.documentai.v1.DocumentProcessorService.TrainProcessorVersion]
 // method.
 message TrainProcessorVersionRequest {
-  // The input data used to train a new
-  // [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion].
+  // The input data used to train a new [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion].
   message InputData {
     // The documents used for training the new version.
     BatchDocumentsInputConfig training_documents = 3;
@@ -976,14 +933,28 @@ message TrainProcessorVersionRequest {
     TrainingMethod training_method = 3;
   }
 
+  // Options to control foundation model tuning of the processor.
+  message FoundationModelTuningOptions {
+    // Optional. The number of steps to run for model tuning. Valid values are between
+    // 1 and 400. If not provided, recommended steps will be used.
+    int32 train_steps = 2 [(google.api.field_behavior) = OPTIONAL];
+
+    // Optional. The multiplier to apply to the recommended learning rate. Valid values
+    // are between 0.1 and 10. If not provided, recommended learning rate will
+    // be used.
+    float learning_rate_multiplier = 3 [(google.api.field_behavior) = OPTIONAL];
+  }
+
   oneof processor_flags {
     // Options to control Custom Document Extraction (CDE) Processor.
     CustomDocumentExtractionOptions custom_document_extraction_options = 5;
+
+    // Options to control foundation model tuning of a processor.
+    FoundationModelTuningOptions foundation_model_tuning_options = 12;
   }
 
-  // Required. The parent (project, location and processor) to create the new
-  // version for. Format:
-  // `projects/{project}/locations/{location}/processors/{processor}`.
+  // Required. The parent (project, location and processor) to create the new version for.
+  // Format: `projects/{project}/locations/{location}/processors/{processor}`.
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -992,18 +963,16 @@ message TrainProcessorVersionRequest {
   ];
 
   // Required. The processor version to be created.
-  ProcessorVersion processor_version = 2
-      [(google.api.field_behavior) = REQUIRED];
+  ProcessorVersion processor_version = 2 [(google.api.field_behavior) = REQUIRED];
 
   // Optional. The schema the processor version will be trained with.
   DocumentSchema document_schema = 10 [(google.api.field_behavior) = OPTIONAL];
 
-  // Optional. The input data used to train the
-  // [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion].
+  // Optional. The input data used to train the [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion].
   InputData input_data = 4 [(google.api.field_behavior) = OPTIONAL];
 
-  // Optional. The processor version to use as a base for training. This
-  // processor version must be a child of `parent`. Format:
+  // Optional. The processor version to use as a base for training. This processor version
+  // must be a child of `parent`. Format:
   // `projects/{project}/locations/{location}/processors/{processor}/processorVersions/{processorVersion}`.
   string base_processor_version = 8 [(google.api.field_behavior) = OPTIONAL];
 }
@@ -1048,8 +1017,7 @@ message TrainProcessorVersionMetadata {
 }
 
 // Request message for the
-// [ReviewDocument][google.cloud.documentai.v1.DocumentProcessorService.ReviewDocument]
-// method.
+// [ReviewDocument][google.cloud.documentai.v1.DocumentProcessorService.ReviewDocument] method.
 message ReviewDocumentRequest {
   // The priority level of the human review task.
   enum Priority {
@@ -1067,9 +1035,8 @@ message ReviewDocumentRequest {
     Document inline_document = 4;
   }
 
-  // Required. The resource name of the
-  // [HumanReviewConfig][google.cloud.documentai.v1.HumanReviewConfig] that the
-  // document will be reviewed with.
+  // Required. The resource name of the [HumanReviewConfig][google.cloud.documentai.v1.HumanReviewConfig] that the document will be
+  // reviewed with.
   string human_review_config = 1 [
     (google.api.field_behavior) = REQUIRED,
     (google.api.resource_reference) = {
@@ -1088,8 +1055,7 @@ message ReviewDocumentRequest {
 }
 
 // Response message for the
-// [ReviewDocument][google.cloud.documentai.v1.DocumentProcessorService.ReviewDocument]
-// method.
+// [ReviewDocument][google.cloud.documentai.v1.DocumentProcessorService.ReviewDocument] method.
 message ReviewDocumentResponse {
   // Possible states of the review operation.
   enum State {
@@ -1115,8 +1081,7 @@ message ReviewDocumentResponse {
 }
 
 // The long-running operation metadata for the
-// [ReviewDocument][google.cloud.documentai.v1.DocumentProcessorService.ReviewDocument]
-// method.
+// [ReviewDocument][google.cloud.documentai.v1.DocumentProcessorService.ReviewDocument] method.
 message ReviewDocumentOperationMetadata {
   // The basic metadata of the long-running operation.
   CommonOperationMetadata common_metadata = 5;
@@ -1125,13 +1090,9 @@ message ReviewDocumentOperationMetadata {
   string question_id = 6;
 }
 
-// Evaluates the given
-// [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion] against the
-// supplied documents.
+// Evaluates the given [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion] against the supplied documents.
 message EvaluateProcessorVersionRequest {
-  // Required. The resource name of the
-  // [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion] to
-  // evaluate.
+  // Required. The resource name of the [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion] to evaluate.
   // `projects/{project}/locations/{location}/processors/{processor}/processorVersions/{processorVersion}`
   string processor_version = 1 [
     (google.api.field_behavior) = REQUIRED,
@@ -1140,10 +1101,9 @@ message EvaluateProcessorVersionRequest {
     }
   ];
 
-  // Optional. The documents used in the evaluation. If unspecified, use the
-  // processor's dataset as evaluation input.
-  BatchDocumentsInputConfig evaluation_documents = 3
-      [(google.api.field_behavior) = OPTIONAL];
+  // Optional. The documents used in the evaluation. If unspecified, use the processor's
+  // dataset as evaluation input.
+  BatchDocumentsInputConfig evaluation_documents = 3 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Metadata of the
@@ -1164,8 +1124,7 @@ message EvaluateProcessorVersionResponse {
 
 // Retrieves a specific Evaluation.
 message GetEvaluationRequest {
-  // Required. The resource name of the
-  // [Evaluation][google.cloud.documentai.v1.Evaluation] to get.
+  // Required. The resource name of the [Evaluation][google.cloud.documentai.v1.Evaluation] to get.
   // `projects/{project}/locations/{location}/processors/{processor}/processorVersions/{processorVersion}/evaluations/{evaluation}`
   string name = 1 [
     (google.api.field_behavior) = REQUIRED,
@@ -1175,12 +1134,9 @@ message GetEvaluationRequest {
   ];
 }
 
-// Retrieves a list of evaluations for a given
-// [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion].
+// Retrieves a list of evaluations for a given [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion].
 message ListEvaluationsRequest {
-  // Required. The resource name of the
-  // [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion] to list
-  // evaluations for.
+  // Required. The resource name of the [ProcessorVersion][google.cloud.documentai.v1.ProcessorVersion] to list evaluations for.
   // `projects/{project}/locations/{location}/processors/{processor}/processorVersions/{processorVersion}`
   string parent = 1 [
     (google.api.field_behavior) = REQUIRED,
diff --git a/google/cloud/documentai/v1/evaluation.proto b/google/cloud/documentai/v1/evaluation.proto
index 433fba583..0a9d62819 100644
--- a/google/cloud/documentai/v1/evaluation.proto
+++ b/google/cloud/documentai/v1/evaluation.proto
@@ -34,8 +34,8 @@ message EvaluationReference {
 
   // The resource name of the evaluation.
   string evaluation = 2 [(google.api.resource_reference) = {
-    type: "documentai.googleapis.com/Evaluation"
-  }];
+                           type: "documentai.googleapis.com/Evaluation"
+                         }];
 
   // An aggregate of the statistics for the evaluation with fuzzy matching on.
   Evaluation.Metrics aggregate_metrics = 4;
diff --git a/google/cloud/documentai/v1/processor.proto b/google/cloud/documentai/v1/processor.proto
index 29cb85547..b74097bd7 100644
--- a/google/cloud/documentai/v1/processor.proto
+++ b/google/cloud/documentai/v1/processor.proto
@@ -46,10 +46,9 @@ message ProcessorVersion {
     google.protobuf.Timestamp deprecation_time = 1;
 
     // If set, the processor version that will be used as a replacement.
-    string replacement_processor_version = 2
-        [(google.api.resource_reference) = {
-          type: "documentai.googleapis.com/ProcessorVersion"
-        }];
+    string replacement_processor_version = 2 [(google.api.resource_reference) = {
+                                                type: "documentai.googleapis.com/ProcessorVersion"
+                                              }];
   }
 
   // The possible states of the processor version.
@@ -137,8 +136,8 @@ message ProcessorVersionAlias {
 
   // The resource name of aliased processor version.
   string processor_version = 2 [(google.api.resource_reference) = {
-    type: "documentai.googleapis.com/ProcessorVersion"
-  }];
+                                  type: "documentai.googleapis.com/ProcessorVersion"
+                                }];
 }
 
 // The first-class citizen for Document AI. Each processor defines how to
@@ -204,15 +203,13 @@ message Processor {
 
   // The default processor version.
   string default_processor_version = 9 [(google.api.resource_reference) = {
-    type: "documentai.googleapis.com/ProcessorVersion"
-  }];
+                                          type: "documentai.googleapis.com/ProcessorVersion"
+                                        }];
 
   // Output only. The processor version aliases.
-  repeated ProcessorVersionAlias processor_version_aliases = 10
-      [(google.api.field_behavior) = OUTPUT_ONLY];
+  repeated ProcessorVersionAlias processor_version_aliases = 10 [(google.api.field_behavior) = OUTPUT_ONLY];
 
-  // Output only. Immutable. The http endpoint that can be called to invoke
-  // processing.
+  // Output only. Immutable. The http endpoint that can be called to invoke processing.
   string process_endpoint = 6 [
     (google.api.field_behavior) = OUTPUT_ONLY,
     (google.api.field_behavior) = IMMUTABLE