TS 2.6.2: Error: Unknown AST_NODE_TYPE: "TSFirstContextualKeyword"

[duailibe]

What version of TypeScript are you using?
2.6.2

What version of typescript-eslint-parser are you using?
master (9.0.0)

What code were you trying to parse?

export private public protected static readonly abstract async enum X {}

What did you expect to happen?
AST should have a TSAbstractKeyword node in modifiers array

What happened?
AST does not have a TSAbstractKeyword node and errors with Error: Unknown AST_NODE_TYPE: "TSFirstContextualKeyword".

That's related to the lines in: TS source

I can get a PR for this if you think we should fix this here.

Thanks!