import { PollData_Design_PollDesign_Background_Type } from 'ricos-schema/next';
export declare function getRandomValue<T>(pool: T[]): T;
export declare function toBackgroundString(background: {
    type: string;
    image: any;
    gradient: any;
    color: any;
}, backgroundType: PollData_Design_PollDesign_Background_Type, width: number, height: number): string | null;
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