class WorkspaceManager:
    def __init__(self, workspace_id):
        self.workspace_id = workspace_id

    def create_file(self, filename, content):
        pass

    def read_file(self, filename):
        pass

    def update_file(self, filename, content):
        pass

    def delete_file(self, filename):
        pass

    def list_files(self):
        pass