method Lexer.prototype.lookaheadimport { Lexer } from "https://dotland.deno.dev/x/graphql_deno@v15.0.0/mod.ts"; lookahead(): TokenLooks ahead and returns the next non-ignored token, but does not change the state of Lexer. Looks ahead and returns the next non-ignored token, but does not change the state of Lexer. ReturnsToken