import { CommonCoreConfig, StreamConfig, StreamType } from "../types.js";
/** The interface for segment storage. */
export interface SegmentStorage {
    /**
     * Initializes the storage.
     * @param coreConfig The core configuration containing storage options.
     * @param mainStreamConfig The configuration for the main stream.
     * @param secondaryStreamConfig The configuration for the secondary stream.
     */
    initialize(coreConfig: CommonCoreConfig, mainStreamConfig: StreamConfig, secondaryStreamConfig: StreamConfig): Promise<void>;
    /**
     * Updates the storage with the current playback position from the player.
     * @param position The current playback position.
     * @param rate The current playback rate.
     */
    onPlaybackUpdated(position: number, rate: number): void;
    /**
     * Provides the storage with information about a segment requested by the player.
     * @param swarmId The swarm identifier.
     * @param streamId The stream identifier.
     * @param segmentId The segment identifier.
     * @param startTime The start time of the segment.
     * @param endTime The end time of the segment.
     * @param streamType The type of the stream.
     * @param isLiveStream Indicates whether the stream is live.
     */
    onSegmentRequested(swarmId: string, streamId: string, segmentId: number, startTime: number, endTime: number, streamType: StreamType, isLiveStream: boolean): void;
    /**
     * Stores the data for a specific segment.
     * @param swarmId The swarm identifier.
     * @param streamId The stream identifier.
     * @param segmentId The segment identifier.
     * @param data The segment data to store.
     * @param startTime The start time of the segment.
     * @param endTime The end time of the segment.
     * @param streamType The type of the stream.
     * @param isLiveStream Indicates whether the stream is live.
     */
    storeSegment(swarmId: string, streamId: string, segmentId: number, data: ArrayBuffer, startTime: number, endTime: number, streamType: StreamType, isLiveStream: boolean): Promise<void>;
    /**
     * Retrieves the data for a specific segment.
     * @param swarmId The swarm identifier.
     * @param streamId The stream identifier.
     * @param segmentId The segment identifier.
     */
    getSegmentData(swarmId: string, streamId: string, segmentId: number): Promise<ArrayBuffer | undefined>;
    /**
     * Retrieves information about the current memory usage of the storage.
     */
    getUsage(): {
        totalCapacity: number;
        usedCapacity: number;
    };
    /**
     * Checks if a specific segment is present in the storage.
     * @param swarmId The swarm identifier.
     * @param streamId The stream identifier.
     * @param segmentId The segment identifier.
     * @returns `true` if the segment is in the storage, otherwise `false`.
     */
    hasSegment(swarmId: string, streamId: string, segmentId: number): boolean;
    /**
     * Retrieves the IDs of all segments for a specific stream currently stored in the storage.
     * @param swarmId The swarm identifier.
     * @param streamId The stream identifier.
     */
    getStoredSegmentIds(swarmId: string, streamId: string): number[];
    /**
     * Sets the callback function to be invoked when segments are added to or removed from the storage.
     * @param callback The callback function, which receives the `streamId` of the affected stream.
     */
    setSegmentChangeCallback(callback: ((streamId: string) => void) | undefined): void;
    /**
     * Destroys the storage and releases all associated resources.
     */
    destroy(): void;
}