Errors in types

[Joe Hildebrand]

peg.d.ts:862:57 - error TS2304: Cannot find name 'an'.

862       library_ref?(node: ast.LibraryReference, ...args: an[]): any;
                                                            ~~

peg.d.ts:1080:25 - error TS2304: Cannot find name 'Expectation'.

1080   peg$maxFailExpected?: Expectation[];
                             ~~~~~~~~~~~