@java.lang.Override
    public com.google.protobuf.ByteString getAccessKeyIdBytes() {
      java.lang.Object ref = accessKeyId_;
      if (ref instanceof java.lang.String) {
        com.google.protobuf.ByteString b =
            com.google.protobuf.ByteString.copyFromUtf8((java.lang.String) ref);
        accessKeyId_ = b;
        return b;
      } else {
        return (com.google.protobuf.ByteString) ref;
      }
    }
<pre>
AWS access key ID.
</pre>

<code>string access_key_id = 1;</code>

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