/**
 * Encodes a string by inverting the bytes and then reversing them.
 *
 * <p>This is an in-place operation.
 *
 * @param bytes the byte array to encode
 */
export declare function encodeString(bytes: Uint8Array): void;
/**
 * Decodes a string by reversing the bytes and then inverting them.
 *
 * <p>This is an in-place operation.
 *
 * @param bytes the byte array to decode
 */
export declare function decodeString(bytes: Uint8Array): void;
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