private void ensureSecurityGroupsIsMutable() {
      if (!((bitField0_ & 0x00002000) != 0)) {
        securityGroups_ =
            new java.util.ArrayList<com.google.cloud.vmmigration.v1.AwsSecurityGroup>(
                securityGroups_);
        bitField0_ |= 0x00002000;
      }
    }
<pre>
The VPC ID the VM belongs to.
</pre>

<code>string vpc_id = 13;</code>

@param value The bytes for vpcId to set.
@return This builder for chaining.
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/AwsVmDetails.java