public Builder clearSkipReason() {
      skipReason_ = getDefaultInstance().getSkipReason();
      bitField0_ = (bitField0_ & ~0x00000008);
      onChanged();
      return this;
    }
<pre>
Optional. Indicates the reason why the ad has been skipped.
</pre>

<code>string skip_reason = 4 [(.google.api.field_behavior) = OPTIONAL];</code>

@return This builder for chaining.
java-video-stitcher/proto-google-cloud-video-stitcher-v1/src/main/java/com/google/cloud/video/stitcher/v1/AdStitchDetail.java