import { BitValue, Edge } from 'libgpiod';
import { GPIOOutputLine } from './gpio-output-line';
import { GPIOInputLine } from './gpio-input-line';
export declare class GPIOController {
    private readonly chipName;
    private readonly consumerId;
    private readonly lineHandlers;
    private readonly lines;
    private chip;
    constructor(chipName: string, consumerId: string);
    private getLine;
    requestLineAsOutput(offset: number, initialValue: BitValue): GPIOOutputLine;
    requestLineAsInput(offset: number, edge?: Edge, pollingInterval?: number): GPIOInputLine;
    close(): void;
}
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