Interface.MethodNamesExtended
ide.<ProgrammingLanguage>.InterfaceMethodNamesExtended = true | false (default=false)
LF‑ET automatically checks whether all generated method names are valid. If not, it is recommended to use this parameter, which triggers the full resolution of all special characters.
ide.Java.InterfaceMethodNamesExtended = true
The key name has been changed, however, previous versions, in this case "InterfaceExtendedMethodNames", can basically still be used as a synonym.