1 files changed, 3 insertions, 3 deletions
diff --git a/jimfs/src/main/java/com/google/common/jimfs/WindowsPathType.java b/jimfs/src/main/java/com/google/common/jimfs/WindowsPathType.java
index 0e68b26..7cdf0c4 100644
--- a/jimfs/src/main/java/com/google/common/jimfs/WindowsPathType.java
+++ b/jimfs/src/main/java/com/google/common/jimfs/WindowsPathType.java
@@ -20,7 +20,7 @@ import java.nio.file.InvalidPathException;
 import java.util.Iterator;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
-import javax.annotation.Nullable;
+import org.checkerframework.checker.nullness.compatqual.NullableDecl;
 
 /**
  * Windows-style path type.
@@ -134,7 +134,7 @@ final class WindowsPathType extends PathType {
   private static final Pattern DRIVE_LETTER_ROOT = Pattern.compile("^[a-zA-Z]:\\\\");
 
   /** Parses a normal drive-letter root, e.g. "C:\". */
-  @Nullable
+  @NullableDecl
   private String parseDriveRoot(String path) {
     Matcher drivePathMatcher = DRIVE_LETTER_ROOT.matcher(path);
     if (drivePathMatcher.find()) {
@@ -160,7 +160,7 @@ final class WindowsPathType extends PathType {
   }
 
   @Override
-  public String toString(@Nullable String root, Iterable<String> names) {
+  public String toString(@NullableDecl String root, Iterable<String> names) {
     StringBuilder builder = new StringBuilder();
     if (root != null) {
       builder.append(root);