public com.google.cloud.visionai.v1.GcsSource getInstancesSchema() {
        if (instancesSchemaBuilder_ == null) {
          return instancesSchema_ == null
              ? com.google.cloud.visionai.v1.GcsSource.getDefaultInstance()
              : instancesSchema_;
        } else {
          return instancesSchemaBuilder_.getMessage();
        }
      }
<pre>
Cloud Storage location to a YAML file that defines the format of a single
instance used in prediction and explanation requests.
</pre>

<code>.google.cloud.visionai.v1.GcsSource instances_schema = 1;</code>

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