import { Dict } from '@mike-north/types';
import * as ts from 'typescript';
/**
 * Invoke a callback for each key-value pair in a dictionary
 * @param dict dictionary to iterate over
 * @param callback mapping function to apply to each key-value pair
 * @public
 */
export declare function forEachDict<T>(dict: ts.UnderscoreEscapedMap<T> | Dict<T>, cb: (t: T, key: ts.__String | string) => void): void;
/**
 * Map over a dictionary
 * @param dict dictionary to iterate over
 * @param callback mapping function to apply to each key-value pair
 * @public
 */
export declare function mapDict<T, S>(dict: ts.UnderscoreEscapedMap<T> | Dict<T>, callback: (t: T, key: ts.__String | string) => S | undefined): Dict<S>;
/**
 * Filter a dictionary
 * @param dict dictionary to iterate over
 * @param callback mapping function to apply to each key-value pair
 * @public
 */
export declare function filterDict<T>(dict: ts.UnderscoreEscapedMap<T> | Dict<T>, filterFn: (t: T, key: ts.__String | string) => boolean): Dict<T>;
/**
 * Reduce a dictionary
 * @param dict dictionary to iterate over
 * @param callback mapping function to apply to each key-value pair
 * @public
 */
export declare function reduceDict<T, R>(dict: ts.UnderscoreEscapedMap<T> | Dict<T>, callback: (reduced: R, t: T, key: ts.__String | string) => R, initial: R): R;
//# sourceMappingURL=dict.d.ts.map