Content assist inserts wrong arguments

[marsiancba]

It should insert just bug1(a), as b is argument of callback function a.

Same problem happens for objects with index signature parameter:

[angelozerr]

Indeed, today I have not managed that. Just find time to support it.

[marsiancba]

It seems that this is implemented in Java with something like Regex. If you can point me to part of the code where this is implemented, I can try to fix that by myself.