import type { VideoSample, VideoSampleSink } from 'mediabunny';
import { type LogLevel } from 'remotion';
export type VideoSampleWithoutDuration = Omit<VideoSample, 'duration'>;
export type KeyframeBank = {
    src: string;
    getFrameFromTimestamp: (timestamp: number, fps: number) => Promise<VideoSampleWithoutDuration | null>;
    prepareForDeletion: (logLevel: LogLevel, reason: string) => {
        framesDeleted: number;
    };
    deleteFramesBeforeTimestamp: ({ logLevel, timestampInSeconds }: {
        timestampInSeconds: number;
        logLevel: LogLevel;
    }) => void;
    hasTimestampInSecond: (timestamp: number, fps: number) => Promise<boolean>;
    addFrame: (frame: VideoSample, logLevel: LogLevel) => void;
    getOpenFrameCount: () => {
        size: number;
        timestamps: number[];
    };
    getLastUsed: () => number;
    isBusy: () => boolean;
    canSatisfyTimestamp: (timestamp: number) => boolean;
    getRangeOfTimestamps: () => {
        firstTimestamp: number;
        lastTimestamp: number;
    } | null;
};
export declare const makeKeyframeBank: ({ logLevel: parentLogLevel, src, videoSampleSink, initialTimestampRequest, }: {
    logLevel: "error" | "info" | "trace" | "verbose" | "warn";
    src: string;
    videoSampleSink: VideoSampleSink;
    initialTimestampRequest: number;
}) => Promise<KeyframeBank>;