/** MessagePack encoder — converts JS objects to binary MessagePack for the C API. */
import { type EncoderOptions } from "@msgpack/msgpack";
import type { AudioProperties, ExtendedTag, Picture, PropertyMap } from "../types.js";
export declare function encodeTagData(tagData: ExtendedTag): Uint8Array;
export declare function encodeAudioProperties(audioProps: AudioProperties): Uint8Array;
export declare function encodePropertyMap(propertyMap: PropertyMap): Uint8Array;
export declare function encodePicture(picture: Picture): Uint8Array;
export declare function encodePictureArray(pictures: Picture[]): Uint8Array;
export declare function encodeMessagePack<T>(data: T, options?: Partial<EncoderOptions>): Uint8Array;
export declare function encodeMessagePackCompact<T>(data: T): Uint8Array;
export declare function encodeBatchTagData(tagDataArray: ExtendedTag[]): Uint8Array;
export declare function encodeMessagePackStream<T>(dataIterator: Iterable<T>): Generator<Uint8Array, void, unknown>;
export declare function estimateMessagePackSize(data: unknown): number;
export declare function encodeFastTagData(tagData: Pick<ExtendedTag, "title" | "artist" | "album" | "year" | "track">): Uint8Array;
export declare function canEncodeToMessagePack(data: unknown): boolean;
export declare function compareEncodingEfficiency(data: unknown): {
    messagePackSize: number;
    jsonSize: number;
    sizeReduction: number;
    speedImprovement: number;
};
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