import { SerialParser } from '../types/index.js';
export interface SlipOptions {
    /** Custom START byte. When set, each packet must begin with this byte. */
    START?: number;
    /** Escape byte for START. Defaults to `0xDB` (same as ESC). */
    ESC_START?: number;
    /** Escape byte. Defaults to `0xDB`. */
    ESC?: number;
    /** Packet end byte. Defaults to `0xC0`. */
    END?: number;
    /** ESC sequence for END byte. Defaults to `0xDC`. */
    ESC_END?: number;
    /** ESC sequence for ESC byte. Defaults to `0xDD`. */
    ESC_ESC?: number;
    /**
     * Adds an END byte at the beginning of each packet (Bluetooth quirk).
     * Only applies to `slipEncode`. Defaults to false.
     */
    bluetoothQuirk?: boolean;
}
/**
 * Creates a SLIP decoder parser that strips framing and emits each decoded
 * packet as a `Uint8Array`.
 *
 * @param options - Optional custom framing byte values.
 * @returns A {@link SerialParser} that emits `Uint8Array` values.
 *
 * @example
 * ```ts
 * import { AbstractSerialDevice, slipDecoder } from 'webserial-core';
 *
 * class MyDevice extends AbstractSerialDevice<Uint8Array> {
 *   constructor() {
 *     super({ baudRate: 115200, parser: slipDecoder() });
 *   }
 * }
 * ```
 */
export declare function slipDecoder(options?: SlipOptions): SerialParser<Uint8Array>;
/**
 * SLIP-encodes a single outgoing packet.
 *
 * Escapes all END and ESC bytes in `data`, then appends an END byte.
 * If `options.bluetoothQuirk` is true, an additional END byte is prepended.
 *
 * @param data - Raw packet bytes to encode.
 * @param options - Optional custom framing byte values.
 * @returns A new `Uint8Array` containing the SLIP-encoded packet.
 *
 * @example
 * ```ts
 * import { slipEncode } from 'webserial-core';
 *
 * const encoded = slipEncode(new Uint8Array([0x01, 0xC0, 0x02]));
 * // device.send(encoded);
 * ```
 */
export declare function slipEncode(data: Uint8Array, options?: SlipOptions): Uint8Array;