def __init__(self):
        self._api_plugins = defaultdict(lambda: None)
        self._debugger_plugins = defaultdict(lambda: None)
        self._view_plugins = defaultdict(lambda: None)
        self._web_plugins = defaultdict(lambda: None)
        self._command_plugins = defaultdict(lambda: None)
DRY helper to build list of opts for git.branch, for the purposes of
dataset/ETHPy150Open snare/voltron/voltron/plugin.py/PluginManager.__init__--crossover with--dataset/ETHPy150Open saltstack/salt/salt/states/git.py/_get_branch_opts