import { PhysicsOptions } from '../../../types/index.ts';
import { ZoomContributeCtx, ZoomProvider, ZoomStrategy } from '../types';
import { Animation } from '../../../animation';
export declare const EXPAND_PHYSICS: PhysicsOptions;
export declare class ExpandBackgroundStrategy implements ZoomStrategy {
    readonly physics: PhysicsOptions;
    contribute(ctx: ZoomContributeCtx): Animation[];
}
export declare function createExpandProvider(): ZoomProvider;
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