https://docs.oracle.com/en-us/iaas/tools/java/latest/com/oracle/bmc/aidocument/model/DocumentMetadata.html
DocumentMetadata (Oracle Cloud Infrastructure Java SDK - 3.86.1)
oracle cloud infrastructurejava sdk
https://docs.cloud.google.com/python/docs/reference/discoveryengine/latest/google.cloud.discoveryengine_v1.types.Answer.Reference.ChunkInfo.DocumentMetadata
Class DocumentMetadata (0.19.0) | Python client libraries | Google Cloud Documentation
python clientgoogle cloudclasslibrariesdocumentation