def METHOD_NAME(self, components):
    """
    Add component(s) into the corresponding manager.
    Args:
        components (function|class|list|tuple): Support four types of components.
    Returns:
        components (function|class|list|tuple): Same with input components.
    """
    # Check whether the type is a sequence
    if isinstance(components, Sequence):
        for component in components:
            self._add_single_component(component)
    else:
        component = components
        self._add_single_component(component)
    return components