public com.google.protobuf.ByteString getAllKmsKeysBytes(int index) {
    return allKmsKeys_.getByteString(index);
  }
<pre>
Output only. A list of all KMS crypto keys used to encrypt or decrypt the
data associated with the workflow.
</pre>

<code>
repeated string all_kms_keys = 16 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
</code>

@param index The index of the value to return.
@return The bytes of the allKmsKeys at the given index.
java-workflows/proto-google-cloud-workflows-v1/src/main/java/com/google/cloud/workflows/v1/Workflow.java