backend                 Abstract class of a minimal keyring backend
backend_env             Environment variable keyring backend
backend_file            Encrypted file keyring backend
backend_keyrings        Abstract class of a backend that supports
                        multiple keyrings
backend_macos           macOS Keychain keyring backend
backend_secret_service
                        Linux Secret Service keyring backend
backend_wincred         Windows Credential Store keyring backend
backends                Select the default backend and default keyring
has_keyring_support     Operations on keyrings
key_get                 Operations on keys
