import { DIVEBackgroundSettings } from '../../../../../index.ts';
import { Action } from '../action.ts';
import { ActionDependencies } from '../../../types/index.ts';
/**
 * One object rather than a union of two: `State.performAction` builds a union
 * over every action's payload, and a union here pushes it past what
 * TypeScript can represent.
 */
export type SetBackgroundPayload = {
    /**
     * A colour, an equirectangular image (URL plus rotation), or
     * `null` for transparent. Wins over `color`.
     */
    background?: DIVEBackgroundSettings;
    /** @deprecated Use `background` instead. */
    color?: string | number;
};
export declare const SetBackgroundAction: new (payload: SetBackgroundPayload, dependencies: Pick<ActionDependencies, "gateway">) => Action<SetBackgroundPayload, Pick<ActionDependencies, "gateway">, Promise<void>>;
declare global {
    interface ActionTypes {
        SET_BACKGROUND: typeof SetBackgroundAction;
    }
}