public Builder clearMemoryGb() {
      bitField0_ = (bitField0_ & ~0x00000020);
      memoryGb_ = 0;
      onChanged();
      return this;
    }
<pre>
Output only. The amount of physical memory available, defined in GB.
</pre>

<code>int32 memory_gb = 7 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

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