def _process_active_tools(toolbar, tool_map, active_drag, active_inspect, active_scroll, active_tap):
    """ Adds tools to the plot object

    Args:
        toolbar (Toolbar): instance of a Toolbar object
        tools_map (dict[str]|Tool): tool_map from _process_tools_arg
        active_drag (str or Tool): the tool to set active for drag
        active_inspect (str or Tool): the tool to set active for inspect
        active_scroll (str or Tool): the tool to set active for scroll
        active_tap (str or Tool): the tool to set active for tap

    Returns:
        None

    Note:
        This function sets properties on Toolbar
    """
    if active_drag in ['auto', None] or isinstance(active_drag, Tool):
        toolbar.active_drag = active_drag
    elif active_drag in tool_map:
        toolbar.active_drag = tool_map[active_drag]
    else:
        raise ValueError("Got unknown %r for 'active_drag', which was not a string supplied in 'tools' argument" % active_drag)

    if active_inspect in ['auto', None] or isinstance(active_inspect, Tool) or all(isinstance(t, Tool) for t in active_inspect):
        toolbar.active_inspect = active_inspect
    elif active_inspect in tool_map:
        toolbar.active_inspect = tool_map[active_inspect]
    else:
        raise ValueError("Got unknown %r for 'active_inspect', which was not a string supplied in 'tools' argument" % active_scroll)

    if active_scroll in ['auto', None] or isinstance(active_scroll, Tool):
        toolbar.active_scroll = active_scroll
    elif active_scroll in tool_map:
        toolbar.active_scroll = tool_map[active_scroll]
    else:
        raise ValueError("Got unknown %r for 'active_scroll', which was not a string supplied in 'tools' argument" % active_scroll)

    if active_tap in ['auto', None] or isinstance(active_tap, Tool):
        toolbar.active_tap = active_tap
    elif active_tap in tool_map:
        toolbar.active_tap = tool_map[active_tap]
    else:
        raise ValueError("Got unknown %r for 'active_tap', which was not a string supplied in 'tools' argument" % active_tap)