/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */
import { AliasPathResolver } from './aliasPathResolver';
/**
 * A path resolver that replaces the '@' alias with a specific prefix and transforms paths
 * to access recognized entities in a conversational turn. It ensures that the resolved
 * path includes the 'first()' function for entity properties.
 */
export declare class AtPathResolver extends AliasPathResolver {
    private readonly _prefix;
    private readonly _delims;
    /**
     * Initializes a new instance of the AtPathResolver class.
     */
    constructor();
    /**
     * Transforms the path by replacing the '@' alias and appending the 'first()' function
     * to entity properties.
     *
     * @param path The path to inspect and transform.
     * @returns The transformed path.
     */
    transformPath(path: string): string;
}