private com.google.protobuf.MapFieldBuilder<
            java.lang.String,
            com.google.cloud.vmwareengine.v1.NodeTypeConfigOrBuilder,
            com.google.cloud.vmwareengine.v1.NodeTypeConfig,
            com.google.cloud.vmwareengine.v1.NodeTypeConfig.Builder>
        internalGetMutableNodeTypeConfigs() {
      if (nodeTypeConfigs_ == null) {
        nodeTypeConfigs_ = new com.google.protobuf.MapFieldBuilder<>(nodeTypeConfigsConverter);
      }
      bitField0_ |= 0x00000080;
      onChanged();
      return nodeTypeConfigs_;
    }
<pre>
Output only. System-generated unique identifier for the resource.
</pre>

<code>string uid = 14 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@param value The bytes for uid to set.
@return This builder for chaining.
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/Cluster.java