type ZstdDecoderFactory = () => ReadableWritablePair<Uint8Array, Uint8Array>;
/** Return whether complete input begins with a standard or skippable Zstandard frame. */
export declare function isZstdStream(data: Uint8Array): boolean;
/**
 * Decode a complete Zstandard stream, including concatenated standard frames and
 * skippable frames. Some native streaming decoders stop after the first frame,
 * so framing is handled here and each standard frame gets a fresh decoder.
 */
export declare function createZstdDecompressStream(createDecoder: ZstdDecoderFactory, signal?: AbortSignal): ReadableWritablePair<Uint8Array, Uint8Array>;
export {};
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