@java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      if (getChannelsCount() > 0) {
        hash = (37 * hash) + CHANNELS_FIELD_NUMBER;
        hash = (53 * hash) + getChannelsList().hashCode();
      }
      if (hasApiKeyConfig()) {
        hash = (37 * hash) + API_KEY_CONFIG_FIELD_NUMBER;
        hash = (53 * hash) + getApiKeyConfig().hashCode();
      }
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }
<pre>
Required. The SecretManager secret version resource name (e.g.
projects/{project}/secrets/{secret}/versions/{version}) storing the
Slack channel access token that has access to the slack channel IDs.
See: https://api.slack.com/tutorials/tracks/getting-a-token.
</pre>

<code>
.google.cloud.vertexai.v1.ApiAuth.ApiKeyConfig api_key_config = 3 [(.google.api.field_behavior) = REQUIRED];
</code>
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SlackSource.java