diff --git a/proto-google-cloud-translate-v3/clirr-ignored-differences.xml b/proto-google-cloud-translate-v3/clirr-ignored-differences.xml
new file mode 100644
index 00000000..a800fd43
--- /dev/null
+++ b/proto-google-cloud-translate-v3/clirr-ignored-differences.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- see http://www.mojohaus.org/clirr-maven-plugin/examples/ignored-differences.html -->
+<differences>
+  <difference>
+    <differenceType>7012</differenceType>
+    <className>com/google/cloud/translate/v3/*RequestOrBuilder</className>
+    <method>* has*(*)</method>
+  </difference>
+</differences>
\ No newline at end of file
diff --git a/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/DetectLanguageRequest.java b/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/DetectLanguageRequest.java
index cb9fbf50..ca7cf91b 100644
--- a/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/DetectLanguageRequest.java
+++ b/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/DetectLanguageRequest.java
@@ -330,6 +330,20 @@ public com.google.protobuf.ByteString getModelBytes() {
   }
 
   public static final int CONTENT_FIELD_NUMBER = 1;
+  /**
+   *
+   *
+   * <pre>
+   * The content of the input stored as a string.
+   * </pre>
+   *
+   * <code>string content = 1;</code>
+   *
+   * @return Whether the content field is set.
+   */
+  public boolean hasContent() {
+    return sourceCase_ == 1;
+  }
   /**
    *
    *
@@ -1285,6 +1299,21 @@ public Builder setModelBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * The content of the input stored as a string.
+     * </pre>
+     *
+     * <code>string content = 1;</code>
+     *
+     * @return Whether the content field is set.
+     */
+    @java.lang.Override
+    public boolean hasContent() {
+      return sourceCase_ == 1;
+    }
     /**
      *
      *
diff --git a/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/DetectLanguageRequestOrBuilder.java b/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/DetectLanguageRequestOrBuilder.java
index f58de9c5..0e2d4ee6 100644
--- a/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/DetectLanguageRequestOrBuilder.java
+++ b/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/DetectLanguageRequestOrBuilder.java
@@ -101,6 +101,18 @@ public interface DetectLanguageRequestOrBuilder
    */
   com.google.protobuf.ByteString getModelBytes();
 
+  /**
+   *
+   *
+   * <pre>
+   * The content of the input stored as a string.
+   * </pre>
+   *
+   * <code>string content = 1;</code>
+   *
+   * @return Whether the content field is set.
+   */
+  boolean hasContent();
   /**
    *
    *
diff --git a/proto-google-cloud-translate-v3beta1/clirr-ignored-differences.xml b/proto-google-cloud-translate-v3beta1/clirr-ignored-differences.xml
index e7e67deb..6d9e7024 100644
--- a/proto-google-cloud-translate-v3beta1/clirr-ignored-differences.xml
+++ b/proto-google-cloud-translate-v3beta1/clirr-ignored-differences.xml
@@ -11,4 +11,9 @@
     <className>com/google/cloud/translate/v3beta1/*RequestOrBuilder</className>
     <method>boolean contains*(*)</method>
   </difference>
+  <difference>
+    <differenceType>7012</differenceType>
+    <className>com/google/cloud/translate/v3beta1/*RequestOrBuilder</className>
+    <method>* has*(*)</method>
+  </difference>
 </differences>
\ No newline at end of file
diff --git a/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/DetectLanguageRequest.java b/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/DetectLanguageRequest.java
index 9aa2519a..7b48d739 100644
--- a/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/DetectLanguageRequest.java
+++ b/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/DetectLanguageRequest.java
@@ -330,6 +330,20 @@ public com.google.protobuf.ByteString getModelBytes() {
   }
 
   public static final int CONTENT_FIELD_NUMBER = 1;
+  /**
+   *
+   *
+   * <pre>
+   * The content of the input stored as a string.
+   * </pre>
+   *
+   * <code>string content = 1;</code>
+   *
+   * @return Whether the content field is set.
+   */
+  public boolean hasContent() {
+    return sourceCase_ == 1;
+  }
   /**
    *
    *
@@ -1286,6 +1300,21 @@ public Builder setModelBytes(com.google.protobuf.ByteString value) {
       return this;
     }
 
+    /**
+     *
+     *
+     * <pre>
+     * The content of the input stored as a string.
+     * </pre>
+     *
+     * <code>string content = 1;</code>
+     *
+     * @return Whether the content field is set.
+     */
+    @java.lang.Override
+    public boolean hasContent() {
+      return sourceCase_ == 1;
+    }
     /**
      *
      *
diff --git a/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/DetectLanguageRequestOrBuilder.java b/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/DetectLanguageRequestOrBuilder.java
index 2830b3b2..79682372 100644
--- a/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/DetectLanguageRequestOrBuilder.java
+++ b/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/DetectLanguageRequestOrBuilder.java
@@ -101,6 +101,18 @@ public interface DetectLanguageRequestOrBuilder
    */
   com.google.protobuf.ByteString getModelBytes();
 
+  /**
+   *
+   *
+   * <pre>
+   * The content of the input stored as a string.
+   * </pre>
+   *
+   * <code>string content = 1;</code>
+   *
+   * @return Whether the content field is set.
+   */
+  boolean hasContent();
   /**
    *
    *
diff --git a/synth.metadata b/synth.metadata
index e955f7a2..5512dce3 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,23 +4,23 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-translate.git",
-        "sha": "91ea78bd9bcc535dd8eabad721ed2039e49148f8"
+        "sha": "6bd38b21886f474438678767bbbc0b4e9302d4af"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "af8f71dae961ee036a0ac52a1965270149a6b2c9",
-        "internalRef": "358516065"
+        "sha": "f6dd7e47620566925a4b3f1ce029e74e1b2f2516",
+        "internalRef": "359781040"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "af8f71dae961ee036a0ac52a1965270149a6b2c9",
-        "internalRef": "358516065"
+        "sha": "f6dd7e47620566925a4b3f1ce029e74e1b2f2516",
+        "internalRef": "359781040"
       }
     },
     {