import type { StillImageFormat } from '@remotion/renderer';
export declare const determineFinalStillImageFormat: ({ downloadName, outName, configuredImageFormat, isLambda, fromUi, }: {
    downloadName: string | null;
    outName: string | null;
    configuredImageFormat: StillImageFormat | null;
    isLambda: boolean;
    fromUi: StillImageFormat | null;
}) => {
    format: StillImageFormat;
    source: string;
};