docs(regen): fix javadoc return annotation

proto-google-cloud-dataproc-v1/src/main/java/com/google/cloud/dataproc/v1/SoftwareConfig.java

@@ -423,7 +423,7 @@ public java.util.List<com.google.cloud.dataproc.v1.Component> getOptionalCompone
    * repeated .google.cloud.dataproc.v1.Component optional_components = 3 [(.google.api.field_behavior) = OPTIONAL];
    * </code>
    *
-   * @param value The optionalComponents to add.
+   * @return The count of optionalComponents.
    */
   public int getOptionalComponentsCount() {
     return optionalComponents_.size();

proto-google-cloud-dataproc-v1beta2/src/main/java/com/google/cloud/dataproc/v1beta2/SoftwareConfig.java

@@ -421,7 +421,7 @@ public java.util.List<com.google.cloud.dataproc.v1beta2.Component> getOptionalCo
    *
    * <code>repeated .google.cloud.dataproc.v1beta2.Component optional_components = 3;</code>
    *
-   * @param value The optionalComponents to add.
+   * @return The count of optionalComponents.
    */
   public int getOptionalComponentsCount() {
     return optionalComponents_.size();