public Builder clearAssetGcsSource() {
      bitField0_ = (bitField0_ & ~0x00000004);
      assetGcsSource_ = null;
      if (assetGcsSourceBuilder_ != null) {
        assetGcsSourceBuilder_.dispose();
        assetGcsSourceBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
Output only. The original cloud storage source uri that is associated with
this asset.
</pre>

<code>
.google.cloud.visionai.v1.AssetSource.AssetGcsSource asset_gcs_source = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/Asset.java