export const ERROR_INVALID_PARAMS = 'Params are not defined as object' ; export const ERROR_NO_ROUTES = 'No routes specified' ; export const ERROR_TREE_PARENT_DOESNT_EXIST = 'Cannot add node to a non-existent parent' ; export const ERROR_TREE_NO_ROUTE = 'No such route in a tree' ; export const ERROR_HAS_TO_BE_ROUTE = 'Should have route in query params' ; export const ERROR_ROUTE_NOT_REGISTERED = 'Route is not registered' ; export const ERROR_NODE_TO_REMOVE_NOT_EXIST = 'Node to remove does not exist' ; export const ERROR_PARENT_DOESNT_EXIST = 'Parent does not exist' ; export const ERROR_TREE_DOESNT_EXIST = 'Tree does not exist' ; export const ERROR_TREE_ALREADY_EXIST = 'Tree with such name already exists' ; export const ERROR_ALREADY_SUBSCRIBED = 'This listener is already subscribed' ;