internal virtual System.Func <int, bool> GetPropertyPermissions(ISet <string> roles, System.Func <string, int> tokenLookup) { if (_propertyAuthorization) { //JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final': //ORIGINAL LINE: final org.eclipse.collections.api.set.primitive.MutableIntSet blackListed = new org.eclipse.collections.impl.set.mutable.primitive.IntHashSet(); MutableIntSet blackListed = new IntHashSet(); foreach (string role in roles) { if (_roleToPropertyBlacklist.ContainsKey(role)) { Debug.Assert(_roleToPropertyBlacklist[role] != null, "Blacklist has to contain properties"); foreach (string propName in _roleToPropertyBlacklist[role]) { try { blackListed.add(tokenLookup(propName)); } catch (Exception) { _securityLog.error("Error in setting up property permissions, '" + propName + "' is not a valid property name."); } } } } return(property => !blackListed.contains(property)); } else { return(property => true); } }