import type { IBPMChangeTime, IBPMTimeScale } from '../schema/shared/types/timeProcessor.js';
import type { IBPMChange as IV2BPMChange, IBPMChangeOld } from '../schema/v2/types/custom/bpmChange.js';
import type { IBPMChange as IV3BPMChange } from '../schema/v3/types/custom/bpmChange.js';
import type { IBPMEvent } from '../schema/v3/types/bpmEvent.js';
/** Time processor for various utility around adjusted beat time, JSON time, reaction time, etc. */
export declare class TimeProcessor {
    bpm: number;
    private _bpmChange;
    private _timeScale;
    private _offset;
    constructor(bpm: number, bpmChange?: (IV2BPMChange | IBPMChangeOld | IV3BPMChange | IBPMEvent | Omit<IBPMEvent, 'customData'> | IBPMTimeScale)[], offset?: number);
    /**
     * Create and return an instance of BeatPerMinute class.
     * ```ts
     * const bpm = BeatPerMinute.create(bpm, bpmc, 0);
     * ```
     */
    static create: (bpm: number, bpmChange?: (IV2BPMChange | IBPMChangeOld | IV3BPMChange | IBPMEvent | Omit<IBPMEvent, "customData"> | IBPMTimeScale)[], offset?: number) => TimeProcessor;
    get change(): IBPMChangeTime[];
    set change(val: (IBPMChangeTime | IV2BPMChange | IBPMChangeOld | IV3BPMChange)[]);
    get timescale(): IBPMTimeScale[];
    set timescale(val: (IBPMTimeScale | IBPMEvent | Omit<IBPMEvent, 'customData'>)[]);
    get offset(): number;
    set offset(val: number);
    /**
     * Create new BPM change object that allow time to be read according to editor.
     * ```ts
     * const newBpmChange = bpm.getBpmChangeTime(bpmc);
     * ```
     */
    private getBpmChangeTime;
    /**
     * Create new time scale object that adjust beat to BPM event.
     * ```ts
     * const newTimeScale = bpm.getTimeScale(bpmc);
     * ```
     */
    private getTimeScale;
    /**
     * Adjust beat time by offset.
     * ```ts
     * const removedOffset = bpm.offsetBegone(beat);
     * ```
     */
    private offsetBegone;
    getBpmAtTime(beat: number): number;
    /**
     * Convert beat time at an offset beat to real-time in second.
     * ```ts
     * const durationSecond = bpm.toRealTimeOffset(obstacleTime, obstacleDuration);
     * ```
     */
    toRealTimeAtOffset(offset: number, beat: number, timescale?: boolean): number;
    /**
     * Convert beat time to real-time in second.
     * ```ts
     * const realTime = bpm.toRealTime(beat);
     * ```
     */
    toRealTime(beat: number, timescale?: boolean): number;
    /**
     * Convert real-time in second to beat time.
     * ```ts
     * const beatTime = bpm.toBeatTime(rt);
     * ```
     */
    toBeatTime(seconds: number, timescale?: boolean): number;
    /**
     * Convert editor beat time to actual JSON time.
     * ```ts
     * const JsonTime = bpm.toJsonTime(beat);
     * ```
     *
     * This only works with custom data BPM change.
     */
    toJsonTime(beat: number): number;
    /**
     * Adjust beat time from BPM changes and offset.
     * ```ts
     * const adjustedBeat = bpm.adjustTime(beat);
     * ```
     *
     * @deprecated only use if you are using info custom data song offset, typically exist in older v2 beatmaps
     */
    adjustTime(beat: number): number;
}
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