1 files changed, 13 insertions, 1 deletions
diff --git a/guava/src/com/google/common/hash/PrimitiveSink.java b/guava/src/com/google/common/hash/PrimitiveSink.java
index a29ba4e13..ecd6a32c8 100644
--- a/guava/src/com/google/common/hash/PrimitiveSink.java
+++ b/guava/src/com/google/common/hash/PrimitiveSink.java
@@ -26,7 +26,6 @@ import java.nio.charset.Charset;
  * @since 12.0 (in 11.0 as {@code Sink})
  */
 @Beta
-@CanIgnoreReturnValue
 @ElementTypesAreNonnullByDefault
 public interface PrimitiveSink {
   /**
@@ -35,6 +34,7 @@ public interface PrimitiveSink {
    * @param b a byte
    * @return this instance
    */
+  @CanIgnoreReturnValue
   PrimitiveSink putByte(byte b);
 
   /**
@@ -43,6 +43,7 @@ public interface PrimitiveSink {
    * @param bytes a byte array
    * @return this instance
    */
+  @CanIgnoreReturnValue
   PrimitiveSink putBytes(byte[] bytes);
 
   /**
@@ -56,6 +57,7 @@ public interface PrimitiveSink {
    * @throws IndexOutOfBoundsException if {@code off < 0} or {@code off + len > bytes.length} or
    *     {@code len < 0}
    */
+  @CanIgnoreReturnValue
   PrimitiveSink putBytes(byte[] bytes, int off, int len);
 
   /**
@@ -67,27 +69,35 @@ public interface PrimitiveSink {
    * @return this instance
    * @since 23.0
    */
+  @CanIgnoreReturnValue
   PrimitiveSink putBytes(ByteBuffer bytes);
 
   /** Puts a short into this sink. */
+  @CanIgnoreReturnValue
   PrimitiveSink putShort(short s);
 
   /** Puts an int into this sink. */
+  @CanIgnoreReturnValue
   PrimitiveSink putInt(int i);
 
   /** Puts a long into this sink. */
+  @CanIgnoreReturnValue
   PrimitiveSink putLong(long l);
 
   /** Puts a float into this sink. */
+  @CanIgnoreReturnValue
   PrimitiveSink putFloat(float f);
 
   /** Puts a double into this sink. */
+  @CanIgnoreReturnValue
   PrimitiveSink putDouble(double d);
 
   /** Puts a boolean into this sink. */
+  @CanIgnoreReturnValue
   PrimitiveSink putBoolean(boolean b);
 
   /** Puts a character into this sink. */
+  @CanIgnoreReturnValue
   PrimitiveSink putChar(char c);
 
   /**
@@ -99,6 +109,7 @@ public interface PrimitiveSink {
    *
    * @since 15.0 (since 11.0 as putString(CharSequence))
    */
+  @CanIgnoreReturnValue
   PrimitiveSink putUnencodedChars(CharSequence charSequence);
 
   /**
@@ -109,5 +120,6 @@ public interface PrimitiveSink {
    * is faster, produces the same output across Java releases, and processes every {@code char} in
    * the input, even if some are invalid.
    */
+  @CanIgnoreReturnValue
   PrimitiveSink putString(CharSequence charSequence, Charset charset);
 }