public Builder mergeFrom(com.google.cloud.vpcaccess.v1.OperationMetadata other) {
      if (other == com.google.cloud.vpcaccess.v1.OperationMetadata.getDefaultInstance())
        return this;
      if (!other.getMethod().isEmpty()) {
        method_ = other.method_;
        bitField0_ |= 0x00000001;
        onChanged();
      }
      if (other.hasCreateTime()) {
        mergeCreateTime(other.getCreateTime());
      }
      if (other.hasEndTime()) {
        mergeEndTime(other.getEndTime());
      }
      if (!other.getTarget().isEmpty()) {
        target_ = other.target_;
        bitField0_ |= 0x00000008;
        onChanged();
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
Metadata for google.longrunning.Operation.
</pre>

Protobuf type {@code google.cloud.vpcaccess.v1.OperationMetadata}
java-vpcaccess/proto-google-cloud-vpcaccess-v1/src/main/java/com/google/cloud/vpcaccess/v1/OperationMetadata.java