@java.lang.Override
    public java.lang.String getSecretAccessKey() {
      java.lang.Object ref = secretAccessKey_;
      if (ref instanceof java.lang.String) {
        return (java.lang.String) ref;
      } else {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        secretAccessKey_ = s;
        return s;
      }
    }
<pre>
Input only. AWS secret access key.
</pre>

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

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