import { LoggerService } from '@acoustic-content-sdk/api';
import { BiFunction, Generator } from '@acoustic-content-sdk/utils';
import { UnaryFunction } from 'rxjs';
/**
 * Facade that offers the modification functions for a json object.
 * The original JSON object will not be modified and the modified
 * object will only contain the minimum number of modifications.
 */
export interface Updater<T> {
    /**
     * Replaces the value pointed to by the accessor with a new value.
     * All values across the parent path will be cloned (shallow) if
     * they do not have a clone, yet.
     *
     * Pass `undefined` as the new value to delete the value.
     *
     * Returns the modified version of the top level object.
     */
    set: BiFunction<string, any, T>;
    /**
     * Removes the value pointed to by the accessor.
     * All values across the parent path will be cloned (shallow) if
     * they do not have a clone, yet.
     *
     * Returns the modified version of the top level object.
     */
    del: UnaryFunction<string, T>;
    /**
     * Inserts a new value into an array pointed to by the accessor.
     * All values across the parent path will be cloned (shallow) if
     * they do not have a clone, yet.
     *
     * Pass `undefined` as the new value to delete the value.
     *
     * Returns the modified version of the top level object.
     */
    add: BiFunction<string, any, T>;
    /**
     * Returns the top level, modified object
     */
    get: Generator<T>;
}
/**
 * Constructs a function that updates one or more values in a json object.
 *
 * @param aValue - the JSON structure to update
 *
 * @returns updater functions
 */
export declare function createUpdater<T>(aValue: T, aLogSvc?: LoggerService): Updater<T>;