@java.lang.Override
      public int getAuthMethodValue() {
        return authMethod_;
      }
<pre>
Specifies the authentication and authorization method used by the storage
service. When not specified, Transfer Service will attempt to determine
right auth method to use.
</pre>

<code>.google.storagetransfer.v1.S3CompatibleMetadata.AuthMethod auth_method = 1;</code>

@return The enum numeric value on the wire for authMethod.
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java