import { type RecorderInterface } from '../recorder/RecorderInterface.js';
export declare class Oscillator {
    protected readonly recorder: RecorderInterface;
    /**
     * this.phase determines whether the next half oscillation is positive.
     * It's modified only when recording half oscillations.
     */
    private phase;
    constructor(recorder: RecorderInterface);
    begin(): void;
    end(): void;
    recordSilence(samples: number): void;
    recordSilenceMs(lengthMs: number): void;
    recordOscillations(frequency: number, oscillations: number): void;
    recordHalfOscillation(frequency: number): void;
    recordHalfOscillationSamples(samples: number): void;
    togglePhase(): void;
    recordSeconds(frequency: number, seconds: number): void;
}