/**
 * Printer Status Service
 *
 * Queries printer status including paper, battery, and error states.
 * Works with ESC/POS printers that support status commands.
 *
 * @example
 * ```typescript
 * const status = new PrinterStatus(printer);
 * const paperStatus = await status.getPaperStatus();
 * console.log('Paper:', paperStatus);
 * ```
 */
/**
 * Paper status
 */
export declare enum PaperStatus {
    /** Paper is present and OK */
    OK = "ok",
    /** Paper is low */
    LOW = "low",
    /** Paper is out */
    OUT = "out",
    /** Paper status unknown */
    UNKNOWN = "unknown"
}
/**
 * Printer status
 */
export interface PrinterStatusInfo {
    /** Paper status */
    paper: PaperStatus;
    /** Cover open (if supported) */
    coverOpen?: boolean;
    /** Cutter error (if supported) */
    cutterError?: boolean;
    /** Motor error (if supported) */
    motorError?: boolean;
    /** Temperature issue (if supported) */
    overTemp?: boolean;
    /** Battery level (0-100, if supported) */
    batteryLevel?: number;
    /** Timestamp of status check */
    timestamp: number;
    /** Raw status bytes */
    rawStatus?: Uint8Array;
}
/**
 * Status query options
 */
export interface StatusQueryOptions {
    /** Timeout for status query in ms */
    timeout?: number;
    /** Include raw status bytes */
    includeRaw?: boolean;
}
/**
 * Printer Status Service
 */
export declare class PrinterStatus {
    private readonly logger;
    /**
     * Creates a new PrinterStatus instance
     */
    constructor();
    /**
     * Get printer status
     *
     * Sends ESC/POS status query command and parses the response.
     *
     * @param writeFunc - Function to write data to printer
     * @param readFunc - Function to read response from printer
     * @param options - Query options
     * @returns Printer status info
     */
    getStatus(writeFunc: (data: ArrayBuffer) => Promise<void>, readFunc: () => Promise<ArrayBuffer>, options?: StatusQueryOptions): Promise<PrinterStatusInfo>;
    /**
     * Parse status bytes from printer
     *
     * Different printers return different status formats.
     * This implementation handles common ESC/POS status responses.
     */
    private parseStatus;
    /**
     * Check if paper is available
     */
    checkPaper(writeFunc: (data: ArrayBuffer) => Promise<void>, readFunc: () => Promise<ArrayBuffer>): Promise<PaperStatus>;
    /**
     * Check if printer is ready
     */
    isReady(writeFunc: (data: ArrayBuffer) => Promise<void>, readFunc: () => Promise<ArrayBuffer>): Promise<boolean>;
    /**
     * Get human-readable status string
     */
    static toString(status: PrinterStatusInfo): string;
}
export declare const printerStatus: PrinterStatus;