public com.google.cloud.visionai.v1.GcsSource.Builder getInstancesSchemaBuilder() {
        bitField0_ |= 0x00000001;
        onChanged();
        return getInstancesSchemaFieldBuilder().getBuilder();
      }
<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>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/CustomProcessorSourceInfo.java