public Builder setSizeGb(double value) {

      sizeGb_ = value;
      bitField0_ |= 0x00000001;
      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>

@param value The sizeGb to set.
@return This builder for chaining.
java-valkey/proto-google-cloud-valkey-v1/src/main/java/com/google/cloud/memorystore/v1/NodeConfig.java