public Builder clearSizeGb() {
      bitField0_ = (bitField0_ & ~0x00000001);
      sizeGb_ = 0D;
      onChanged();
      return this;
    }
<pre>
Output only. Memory size in GB of the node.
</pre>

<code>double size_gb = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@return This builder for chaining.
java-valkey/proto-google-cloud-valkey-v1beta/src/main/java/com/google/cloud/memorystore/v1beta/NodeConfig.java