export declare enum gpioExceptions {
    E_LINE_NOT_RESERVED = 0,
    E_LINE_EVENT_WAIT = 1,
    E_LINE_EVENT_READ = 2,
    E_LINE_GET_VALUE = 3,
    E_LINE_SET_VALUE = 4,
    E_LINE_REQUEST_OUTPUT = 5,
    E_LINE_REQUEST_EVENTS = 6,
    E_LINE_REQUEST_INPUT = 7,
    E_CHIP_OPEN = 8,
    E_GET_LINE = 9
}
export declare class GPIOException extends Error {
    readonly code: number;
    readonly lineOffset?: number | undefined;
    constructor(code: number, lineOffset?: number | undefined);
}
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