D-Net

export declare function devModeEqual(a: any, b: any): boolean;

/**

 * Indicates that the result of a {@link Pipe} transformation has changed even though the

 * reference

 * has not changed.

 *

 * The wrapped value will be unwrapped by change detection, and the unwrapped value will be stored.

 *

 * Example:

 *

 * ```

 * if (this._latestValue === this._latestReturnedValue) {

 *    return this._latestReturnedValue;

 *  } else {

 *    this._latestReturnedValue = this._latestValue;

 *    return WrappedValue.wrap(this._latestValue); // this will force update

 *  }

 * ```

 * @stable

 */

export declare class WrappedValue {

    wrapped: any;

    constructor(wrapped: any);

    static wrap(value: any): WrappedValue;

}

/**

 * Helper class for unwrapping WrappedValue s

 */

export declare class ValueUnwrapper {

    hasWrappedValue: boolean;

    unwrap(value: any): any;

    reset(): void;

}

/**

 * Represents a basic change from a previous to a new value.

 * @stable

 */

export declare class SimpleChange {

    previousValue: any;

    currentValue: any;

    firstChange: boolean;

    constructor(previousValue: any, currentValue: any, firstChange: boolean);

    /**

     * Check whether the new value is the first value assigned.

     */

    isFirstChange(): boolean;

}

export declare function isListLikeIterable(obj: any): boolean;

export declare function areIterablesEqual(a: any, b: any, comparator: (a: any, b: any) => boolean): boolean;

export declare function iterateListLike(obj: any, fn: (p: any) => any): void;

export declare function isJsObject(o: any): boolean;