Source
factory ManagedDataModelException.invalidTransient(
ManagedEntity entity, Symbol property) {
return new ManagedDataModelException(
"Transient property '${_getName(property)}' on "
"'${_getInstanceClassName(entity)}' declares that"
"it is transient, but it it has a mismatch. A transient "
"getter method must have 'isAvailableAsOutput' and a transient "
"setter method must have 'isAvailableAsInput'.");
}