Return the argument specification of functions in Salt runner
    modules.

    .. versionadded:: 2015.5.0

    CLI Example:

    .. code-block:: bash

        salt '*' sys.runner_argspec state
        salt '*' sys.runner_argspec http
        salt '*' sys.runner_argspec

    Runner names can be specified as globs.

    .. code-block:: bash

        salt '*' sys.runner_argspec 'winrepo.*'

def runner_argspec(module=''):
    '''
    Return the argument specification of functions in Salt runner
    modules.

    .. versionadded:: 2015.5.0

    CLI Example:

    .. code-block:: bash

        salt '*' sys.runner_argspec state
        salt '*' sys.runner_argspec http
        salt '*' sys.runner_argspec

    Runner names can be specified as globs.

    .. code-block:: bash

        salt '*' sys.runner_argspec 'winrepo.*'
    '''
    run_ = salt.runner.Runner(__opts__)
    return salt.utils.args.argspec_report(run_.functions, module)