Yes you can, but the problem is that this means reannotating all the stack up to "main" every time some tiny implementation detail changes - or you use differen

Yes you can, but the problem is that this means reannotating all the stack up to "main" every time some tiny implementation detail changes - or you use different JSON parser that has "JsonParsingException" and not "JsonParserException", and so on. Or, you have to wrap them all into generic/runtime exceptions, which negates the whole benefit.