export declare function nodeIsString(node: any): boolean;
interface IVisitProps {
    parent?: any;
    prop?: string;
    idx?: number;
    context?: IASTContext;
}
interface IASTContext {
    locals?: Array<string>;
    exports?: Array<string>;
}
interface IASTWalkProps {
    withScope?: boolean;
    visit?: (node: any, props: IVisitProps, context?: IASTContext) => void;
}
export declare function fastWalk(ast: any, walker: IASTWalkProps): void;
export {};