import { AdofaiEvent, ActionData, LevelOptions, Tile, ParseProvider, ParseProgressEvent, PrecomputedProgressEvents, LightweightPrecomputedData } from './interfaces';
import { EffectCleanerType } from '../filter/effectProcessor';
export declare class Level {
    private _events;
    private guidCallbacks;
    private _options;
    private _provider?;
    angleData: number[];
    actions: AdofaiEvent[];
    settings: Record<string, any>;
    __decorations: AdofaiEvent[];
    tiles: Tile[];
    /** 预计算的事件缓存 */
    private _precomputedEvents;
    /** 是否启用预计算模式 */
    private _precomputeMode;
    /** 轻量级预计算数据（用于大物量渲染） */
    private _lightweightData;
    constructor(opt: string | LevelOptions | Uint8Array | ArrayBuffer, provider?: ParseProvider);
    generateGUID(): string;
    private _emitProgress;
    enablePrecomputeMode(): void;
    disablePrecomputeMode(): void;
    getPrecomputedEvents(): PrecomputedProgressEvents | null;
    clearPrecomputedEvents(): void;
    getEventsAtPercent(percent: number, stage?: ParseProgressEvent['stage']): ParseProgressEvent[];
    getPrecomputedEventCount(stage?: ParseProgressEvent['stage']): number;
    getLightweightData(): LightweightPrecomputedData | null;
    precomputeLightweight(skipPositionCalculation?: boolean): LightweightPrecomputedData;
    getLightweightDataRange(startIndex: number, count: number): {
        angles: number[];
        positions: [number, number][];
        twirlFlags: boolean[];
    } | null;
    clearLightweightData(): void;
    getTileRenderData(index: number): {
        angle: number;
        position: [number, number] | null;
        hasTwirl: boolean;
    } | null;
    load(): Promise<boolean>;
    on(eventName: string, callback: Function): string;
    trigger(eventName: string, data: any): void;
    off(guid: string): void;
    filterActionsByEventType(en: string): {
        index: number;
        action: ActionData;
    }[];
    getActionsByIndex(en: string, index: number): {
        count: number;
        actions: ActionData[];
    };
    calculateTileCoordinates(): void;
    calculateTilePosition(): number[][];
    floorOperation(info?: {
        type: 'append' | 'insert' | 'delete';
        direction: number;
        id?: number;
    }): void;
    appendFloor(args: {
        direction: number;
    }): void;
    clearDeco(): boolean;
    clearEffect(presetName: string): void;
    clearEvent(preset: {
        type: EffectCleanerType | string;
        events: string[];
    }): void;
    export(type: 'string' | 'object', indent: number, useAdofaiStyle: boolean | undefined, indentChar: string, indentStep: number): string | Record<string, any>;
}