rn this.getStateAtTime(this.now())}start(t,e){const s=this.toSeconds(t);return"started"!==this._state.getValueAtTime(s)&&(this._state.setStateAtTime("started",s),Fn(e)&&this.setTicksAtTime(e,s),this._ticksAtTime.cancel(s),this._secondsAtTime.cancel(s)),this}stop(t){const e=this.toSeconds(t);if("stopped"===this._state.getValueAtTime(e)){const t=this._state.get(e);t&&t.time>0&&(this._tickOffset.cancel(t.time),this._state.cancel(t.time))}return this._state.cancel(e),this._state.setStateAtTime("stopped",e),this.setTicksAtTime(0,e),this._ticksAtTime.cancel(e),this._secondsAtTime.cancel(e),this}pause(t){const e=this.toSeconds(t);return"started"===this._state.getValueAtTime(e)&&(this._state.setStateAtTime("paused",e),this._ticksAtTime.cancel(e),this._secondsAtTime.cancel(e)),this}cancel(t){return t=this.toSeconds(t),this._state.cancel(t),this._tickOffset.cancel(t),this._ticksAtTime.cancel(t),this._secondsAtTime.cancel(t),this}getTicksAtTime(t){const e=this.toSeconds(t),s=this._state.getLastState("stopped",e),n=this._ticksAtTime.get(e),i={state:"paused",time:e};this._state.add(i);let o=n||s,r=n?n.ticks:0,a=null;return this._state.forEachBetween(o.time,e+this.sampleTime,(t=>{let e=o.time;const s=this._tickOffset.get(t.time);s&&s.time>=o.time&&(r=s.ticks,e=s.time),"started"===o.state&&"started"!==t.state&&(r+=this.frequency.getTicksAtTime(t.time)-this.frequency.getTicksAtTime(e),t.time!==i.time&&(a={state:t.state,time:t.time,ticks:r})),o=t})),this._state.remove(i),a&&this._ticksAtTime.add(a),r}get ticks(){return this.getTicksAtTime(this.now())}set ticks(t){this.setTicksAtTime(t,this.now())}get seconds(){return this.getSecondsAtTime(this.now())}set seconds(t){const e=this.now(),s=this.frequency.timeToTicks(t,e);this.setTicksAtTime(s,e)}getSecondsAtTime(t){t=this.toSeconds(t);const e=this._state.getLastState("stopped",t),s={state:"paused",time:t};this._state.add(s);const n=this._secondsAtTime.get(t);let i=n||e,o=n?n.seconds:0,r=null;return this._state.forEachBetween(i.time,t+this.sampleTime,(t=>{let e=i.time;const n=this._tickOffset.get(t.time);n&&n.time>=i.time&&(o=n.seconds,e=n.time),"started"===i.state&&"started"!==t.state&&(o+=t.time-e,t.time!==s.time&&(r={state:t.state,time:t.time,seconds:o})),i=t})),this._state.remove(s),r&&this._secondsAtTime.add(r),o}setTicksAtTime(t,e){return e=this.toSeconds(e),this._tickOffset.cancel(e),this._tickOffset.add({seconds:this.frequency.getDurationOfTicks(t,e),ticks:t,time:e}),this._ticksAtTime.cancel(e),this._secondsAtTime.cancel(e),this}getStateAtTime(t){return t=this.toSeconds(t),this._state.getValueAtTime(t)}getTimeOfTick(t,e=this.now()){const s=this._tickOffset.get(e),n=this._state.get(e),i=Math.max(s.time,n.time),o=this.frequency.getTicksAtTime(i)+t-s.ticks;return this.frequency.getTimeOfTick(o)}forEachTickBetween(t,e,s){let n=this._state.get(t);this._state.forEachBetween(t,e,(e=>{n&&"started"===n.state&&"started"!==e.state&&this.forEachTickBetween(Math.max(n.time,t),e.time-this.sampleTime,s),n=e}));let i=null;if(n&&"started"===n.state){const o=Math.max(n.time,t),r=this.frequency.getTicksAtTime(o),a=r-this.frequency.getTicksAtTime(n.time);let c=Math.ceil(a)-a;c=yi(c,1)?0:c;let h=this.frequency.getTimeOfTick(r+c);for(;h