public Builder clearCapsString() {
      capsString_ = getDefaultInstance().getCapsString();
      bitField0_ = (bitField0_ & ~0x00000001);
      onChanged();
      return this;
    }
<pre>
The caps string of the payload.
</pre>

<code>string caps_string = 1;</code>

@return This builder for chaining.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/GstreamerBufferDescriptor.java