public Builder mergeStateError(
        com.google.cloud.workflows.executions.v1.Execution.StateError value) {
      if (stateErrorBuilder_ == null) {
        if (((bitField0_ & 0x00001000) != 0)
            && stateError_ != null
            && stateError_
                != com.google.cloud.workflows.executions.v1.Execution.StateError
                    .getDefaultInstance()) {
          getStateErrorBuilder().mergeFrom(value);
        } else {
          stateError_ = value;
        }
      } else {
        stateErrorBuilder_.mergeFrom(value);
      }
      if (stateError_ != null) {
        bitField0_ |= 0x00001000;
        onChanged();
      }
      return this;
    }
<pre>
Output only. Error regarding the state of the Execution resource. For
example, this field will have error details if the execution data is
unavailable due to revoked KMS key permissions.
</pre>

<code>
.google.cloud.workflows.executions.v1.Execution.StateError state_error = 13 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-workflow-executions/proto-google-cloud-workflow-executions-v1/src/main/java/com/google/cloud/workflows/executions/v1/Execution.java