public com.google.protobuf.ByteString getQueryBytes() {
      java.lang.Object ref = query_;
      if (ref instanceof String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        query_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<pre>
Required. Supported queries:
1. ""                       : Lists all revisions across all deployments.
2. "latest=true"            : Lists latest revisions across all
deployments.
3. "name={name}"            : Lists all revisions of deployment with name
{name}.
4. "name={name} latest=true": Lists latest revision of deployment with name
{name}
</pre>

<code>string query = 2 [(.google.api.field_behavior) = REQUIRED];</code>

@return The bytes for query.
java-telcoautomation/proto-google-cloud-telcoautomation-v1/src/main/java/com/google/cloud/telcoautomation/v1/SearchDeploymentRevisionsRequest.java