import * as THREE from 'three';
import { image_target_type_t } from '@zappar/zappar-cv';
interface PreviewInfo {
    compressed: Uint8Array;
    mimeType: string;
    image?: HTMLImageElement;
}
interface PreviewMesh {
    indices: Uint16Array;
    vertices: Float32Array;
    normals: Float32Array;
    uvs: Float32Array;
}
export interface ParsedTargetInfo {
    preview?: PreviewInfo;
    previewMesh?: PreviewMesh;
    physicalScaleFactor: number;
    topRadius: number;
    bottomRadius: number;
    sideLength: number;
    type: image_target_type_t;
    trainedWidth: number;
    trainedHeight: number;
}
export declare class TargetImagePreviewBufferGeometry extends THREE.BufferGeometry {
    private info;
    private _hasSetIndices;
    private _hasSetUVs;
    private _vertices;
    private _verticesAttribute;
    private _recalculateNormals;
    private _previewMesh;
    /**
     * Constructs a new TargetImagePreviewBufferGeometry.
     * @param imageTarget - The image target which will be used.
     */
    constructor(info: ParsedTargetInfo);
    update(target: ParsedTargetInfo): void;
    /**
     * @ignore
     */
    private _updateIndices;
    /**
     * @ignore
     */
    private _updateUVs;
    /**
     * @ignore
     */
    get calculateNormals(): boolean;
}
export declare class TargetImagePreviewMesh extends THREE.Mesh<THREE.BufferGeometry, THREE.MeshBasicMaterial | THREE.MeshStandardMaterial> {
    constructor(target: ParsedTargetInfo, material?: THREE.MeshBasicMaterial | THREE.MeshStandardMaterial);
    update(target: ParsedTargetInfo): void;
}
export {};