https://docs.cloud.google.com/java/docs/reference/google-cloud-document-ai/latest/com.google.cloud.documentai.v1.GcsDocument.Builder
Class GcsDocument.Builder (2.95.0) | Java client libraries | Google Cloud Documentation
https://docs.cloud.google.com/document-ai/docs/reference/rest/v1/GcsDocument
GcsDocument | Document AI | Google Cloud Documentation
document aigoogle clouddocumentation