function getParent(model, path) {
    var getParentMethod = inner(model).getParent;
    return getParentMethod ? getParentMethod.call(model, path) : model.parentModel;
}
DepndencyGraph: {Object}
key: conponentType,
value: {
    successor: [conponentTypes...],
    originalDeps: [conponentTypes...],
    entryCount: {number}
}