/** Encode: given K equal-length data shards, return M parity shards. */
export declare function rsEncode(data: Uint8Array[], m: number): Uint8Array[];
/**
 * Recover the K data shards from any K present shards (data and/or parity).
 * `shards` is the full K+M array with missing entries as null; `len` is the
 * shard length. Returns the K reconstructed data shards, or null if fewer than
 * K shards are present (unrecoverable).
 */
export declare function rsDecode(shards: Array<Uint8Array | null>, k: number, m: number, len: number): Uint8Array[] | null;