public Builder clearRollbackSupport() {
      bitField0_ = (bitField0_ & ~0x00000020);
      rollbackSupport_ = false;
      onChanged();
      return this;
    }
<pre>
Output only. Indicates if the deployment created from this blueprint can be
rolled back.
</pre>

<code>bool rollback_support = 15 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@return This builder for chaining.
java-telcoautomation/proto-google-cloud-telcoautomation-v1/src/main/java/com/google/cloud/telcoautomation/v1/PublicBlueprint.java