class Grammarimport { Grammar } from "https://deno.land/x/nearley@2.19.7-deno/mod.ts"; ConstructorsnewGrammar(rules: Rule[])PropertiesbyName: { [ruleName: string]: Rule[]; }optionallexer: Lexerrules: Rule[]start: stringStatic MethodsfromCompiled(rules: CompiledRules): Grammar