# Functions
NewGcsFS creates a GCS file system, automatically instantiating and decorating the storage client.
NewGcsFSFromClient creates a GCS file system from a given storage client.
NewGcsFSFromClientWithSeparator is the same as NewGcsFSFromClient, but the file system will use the provided folder separator.
NewGcsFSWithSeparator is the same as NewGcsFS, but the files system will use the provided folder separator.