public com.google.cloud.visionai.v1.GcsSource getParametersSchema() {
        if (parametersSchemaBuilder_ == null) {
          return parametersSchema_ == null
              ? com.google.cloud.visionai.v1.GcsSource.getDefaultInstance()
              : parametersSchema_;
        } else {
          return parametersSchemaBuilder_.getMessage();
        }
      }
<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>

@return The parametersSchema.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/CustomProcessorSourceInfo.java