import { ScrollStrategy } from './scroll-strategy';
/**
 * Empty scroll strategy. Does nothing.
 */
export declare class NoOpScrollStrategy extends ScrollStrategy {
    constructor();
    /**
     * Initializes the strategy. Should be called once
     */
    initialize(): void;
    /**
     * Detaches the strategy
     * ```typescript
     * settings.scrollStrategy.detach();
     * ```
     */
    attach(): void;
    /**
     * Detaches the strategy
     * ```typescript
     * settings.scrollStrategy.detach();
     * ```
     */
    detach(): void;
}
