Load documents from Google Cloud Storage directory.
Inherits from BaseLoader.
Loads all files from a GCS bucket with optional prefix filtering.
Requires additional dependencies:
pip install langchain-google-community[gcs]
If loader_func is not provided, GCSFileLoader uses
UnstructuredFileLoader, which additionally requires
langchain-community.
A loader function that instantiates a loader based on a
file_path argument. If nothing is provided, the GCSFileLoader
uses its default loader, which requires langchain-community.