lib/api/model.js
function permissions (user, modelName, callback) {
    return get(modelName, true).getPermissions(user, callback);
}
function permissions (user, modelName, callback) {
    return get(modelName, true).getPermissions(user, callback);
}
function permissions ( user , modelName , callback ) { return get ( modelName , true ) . getPermissions ( user , callback ) ; }
Retrieve the permissions DSL for a model
@param  {Object}   user      The user to which the permissions should be customised
@param  {String}   modelName The name of the model
@param  {Function} callback  A callback to return the permissions DSL to
@return {Void}
Retrieve the permissions DSL for a model