import { Vector3 } from 'three';
import { SharedGeometry } from './SharedGeometry';
import { InstanceGeometry } from './InstanceGeometry';
import { ElementData } from './ElementData';
import { SceneStats } from './SceneStats';
import { LZMA as LzmaWasm } from 'lzma-wasm/src/index';
type LzmaWeb = {
    decompress: (data: Uint8Array) => Promise<Uint8Array | string>;
};
type LzmaWasmEngine = LzmaWasm.Engine;
export interface SceneGrid {
    name: string;
    verts: number[];
}
export interface SceneLevel {
    name: string;
    absoluteElevation: number;
    elevation: number;
    refIdx: number;
}
export interface SceneOrigin {
    isOriginSet: boolean;
    origin: Vector3;
}
export declare class SceneLoader {
    readonly tag = "SceneLoader";
    private readonly origin;
    private selfOrigin;
    isWrongOrigin: boolean;
    wrongOriginDistance: number;
    stats: SceneStats;
    levels: SceneLevel[];
    grids: SceneGrid[];
    elementDatas: Map<number, ElementData>;
    instanceGeomIds: Set<string>;
    instanceGeoms: Map<any, InstanceGeometry>;
    sharedGeoms: Map<string, SharedGeometry>;
    buffers: Set<ArrayBuffer>;
    initialInstanceCount: number;
    private lzma;
    private needFixElementsData;
    private loadProgress;
    private onProgressCallback;
    private useWasmLzma;
    constructor(lzma: LzmaWeb | LzmaWasmEngine, origin: SceneOrigin, useWasmLzma?: boolean);
    onProgress(onProgressCallback: Function): this;
    updateProgress(percent: number): void;
    processGeomData(data: any[], id: string, geomFileNumber: number): Promise<void>;
    processGeometry(data: ArrayBuffer, id: string, geomFileNumber: number, geomFileTotal: number, modelProgress: number, callbackResult: Function, callbackError: Function): Promise<void>;
    private mergeInstanceGeometry2;
    private mergeInstanceGeometry;
    private insertBuffers;
    fixGeomData(elementsData: Map<number, ElementData>): void;
    generateIndicesMap(sharedGeoms: Map<string, SharedGeometry>, elementDatas: Map<number, ElementData>): void;
}
export {};