@java.lang.Override
    protected Builder newBuilderForType(
        com.google.protobuf.GeneratedMessageV3.BuilderParent parent) {
      Builder builder = new Builder(parent);
      return builder;
    }
<pre>
Input only. AWS secret access key.
</pre>

<code>string secret_access_key = 2 [(.google.api.field_behavior) = INPUT_ONLY];</code>

@return The bytes for secretAccessKey.
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/AwsSourceDetails.java