/** Reverse bit ordering of a single byte */
export declare function reverse8Bits(byte: number): number;
/** Reverse bits of a numeric value, treating it as a `size`-bit number */
export declare function reverseBits(value: number, size: number): number;
/** Reverse bits of a bigint, treating it as a `size`-bit number */
export declare function reverseBitsBig(value: bigint, size: number | bigint): bigint;
/**
 * Reverse the bit ordering of each byte in the byte array, **in place**
 *
 * @example `reverseBitsAll(new Uint8Array([0b10101010, 0b01010101])) // becomes [0b01010101, 0b10101010]
 */
export declare function reverseBitsAll(buf: Uint8Array): void;