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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def _make_gh_link_node(app, rawtext, role, kind, api_type, id, options=None):
    ''' Return a link to a Bokeh Github resource.

    Args:
        app (Sphinx app) : current app
        rawtext (str) : text being replaced with link node.
        role (str) : role name
        kind (str) : resource type (issue, pull, etc.)
        api_type (str) : type for api link
        id : (str) : id of the resource to link to
        options (dict) : options dictionary passed to role function

    '''
    url = "%s/%s/%s" % (_BOKEH_GH, api_type, id)
    options = options or {}
    set_classes(options)
    node = nodes.reference(
        rawtext, kind + utils.unescape(id), refuri=url, **options)
    return node