def isLinked(query, maxDepth=None, filter=None, targetQuery=None,
    targetFilter=None, transitiveQueriesFactory=None):
    """boolean if there is any result for the given search.

        Same arguments as findRelationshipChains.

        The general algorithm for using the arguments is this:
        try to yield a single chain from findRelationshipTokenChains with the
        given arguments.  If one can be found, return True, else False."""
