public Builder clearCreateTime() {
      bitField0_ = (bitField0_ & ~0x00000001);
      createTime_ = null;
      if (createTimeBuilder_ != null) {
        createTimeBuilder_.dispose();
        createTimeBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
The time the operation was created.
</pre>

<code>.google.protobuf.Timestamp create_time = 1;</code>
java-workflows/proto-google-cloud-workflows-v1/src/main/java/com/google/cloud/workflows/v1/OperationMetadata.java