import * as estraverse from '@javascript-obfuscator/estraverse'; import * as ESTree from 'estree'; export interface IVisitor { enter?(node: T, parentNode: ESTree.Node | null): ESTree.Node | estraverse.VisitorOption | void; leave?(node: T, parentNode: ESTree.Node | null): ESTree.Node | estraverse.VisitorOption | void; }