declare class SchedulerProcessor extends AudioWorkletProcessor {
    bpm: number;
    ppqn: number;
    tickCount: number;
    startTimeMs: number;
    elapsedSamples: number;
    lookaheadMs: number;
    started: boolean;
    get tickIntervalSec(): number;
    constructor(options: {
        processorOptions: {
            bpm?: number;
            ppqn?: number;
            lookahead?: number;
        };
    });
    process(_inputs: Float32Array[][], outputs: Float32Array[][]): boolean;
}