@java.lang.Override
        public Builder clear() {
          super.clear();
          bitField0_ = 0;
          channelId_ = "";
          startTime_ = null;
          if (startTimeBuilder_ != null) {
            startTimeBuilder_.dispose();
            startTimeBuilder_ = null;
          }
          endTime_ = null;
          if (endTimeBuilder_ != null) {
            endTimeBuilder_.dispose();
            endTimeBuilder_ = null;
          }
          return this;
        }
<pre>
SlackChannel contains the Slack channel ID and the time range to import.
</pre>

Protobuf type {@code google.cloud.vertexai.v1.SlackSource.SlackChannels.SlackChannel}
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SlackSource.java