use state

lib/typescriptServices.d.ts

@@ -2929,7 +2929,6 @@ declare namespace ts {
         getTokenText(): string;
         getTokenValue(): string;
         hasExtendedUnicodeEscape(): boolean;
-        hasPrecedingDot(): boolean;
         hasPrecedingLineBreak(): boolean;
         isIdentifier(): boolean;
         isReservedWord(): boolean;