public Builder setParametersSchema(com.google.cloud.visionai.v1.GcsSource value) {
        if (parametersSchemaBuilder_ == null) {
          if (value == null) {
            throw new NullPointerException();
          }
          parametersSchema_ = value;
        } else {
          parametersSchemaBuilder_.setMessage(value);
        }
        bitField0_ |= 0x00000002;
        onChanged();
        return this;
      }
<pre>
Cloud Storage location to a YAML file that defines the prediction and
explanation parameters.
</pre>

<code>.google.cloud.visionai.v1.GcsSource parameters_schema = 2;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/CustomProcessorSourceInfo.java