public Builder putNodeTypeConfigs(
        java.lang.String key, com.google.cloud.vmwareengine.v1.NodeTypeConfig value) {
      if (key == null) {
        throw new NullPointerException("map key");
      }
      if (value == null) {
        throw new NullPointerException("map value");
      }
      internalGetMutableNodeTypeConfigs().ensureBuilderMap().put(key, value);
      bitField0_ |= 0x00000080;
      return this;
    }
<pre>
Required. The map of cluster node types in this cluster, where the key is
canonical identifier of the node type (corresponds to the `NodeType`).
</pre>

<code>
map&lt;string, .google.cloud.vmwareengine.v1.NodeTypeConfig&gt; node_type_configs = 16 [(.google.api.field_behavior) = REQUIRED];
</code>
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/Cluster.java