public Builder setGcsBucket(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      destinationCase_ = 2;
      destination_ = value;
      onChanged();
      return this;
    }
<pre>
Google Cloud Storage bucket, like "my-bucket".
</pre>

<code>string gcs_bucket = 2;</code>

@param value The gcsBucket to set.
@return This builder for chaining.
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/ExportBackupRequest.java