import type { TSESTree } from '@typescript-eslint/typescript-estree';
import { AstTraverser } from '../AstTraverser';
type Node = TSESTree.Node;
/**
 * Find the first note (starting at root) that matches the given predicate.
 *
 * @example find the first literal
 *
 * findFirst(program, isLiteral)
 *
 * @example find the first multiplication
 *
 * findFirst(program, (node) => isBinaryExpression(node, '*'))
 *
 * @param root the root to start traversing from
 * @param predicate predicate function that gets the traverse as bound this
 * @returns the node that returns true for the predicate or undefined
 */
export declare function findFirst<T extends Node>(root: Node, predicate: (this: AstTraverser, node: Node) => node is T): T | undefined;
export {};