import { Object3D } from 'three';
export declare enum ModelFileTypes {
    gltf = "gltf",
    glb = "glb",
    usdz = "usdz"
}
export type InputFileOrDirectory = (File | FileSystemDirectoryHandle)[];
export interface ReducedGltf {
    images: {
        name: string;
        uri: string;
    }[];
    buffers: {
        bytelength: string;
        uri: string;
    }[];
}
export interface ModelFile {
    model: Object3D;
    type: ModelFileTypes;
    name: string;
}
export interface State {
    file: ModelFile | null;
    isFileLoading: boolean;
    progress: number;
    supportedFileTypes: ModelFileTypes[];
}
export type Action = {
    type: 'set-file';
    payload: ModelFile;
} | {
    type: 'set-file-loading';
    payload: boolean;
} | {
    type: 'set-progress';
    payload: number;
} | {
    type: 'reset-state';
};
export type EventTypes = 'multiple-models' | 'not-loaded-files' | 'load-start' | 'load-progress' | 'load-complete' | 'load-reset' | 'load-error';
export type EventData = {
    'multiple-models': File[];
    'not-loaded-files': File[];
    'load-start': null;
    'load-progress': number;
    'load-complete': State['file'];
    'load-reset': null;
    'load-error': Error | unknown;
};
export type EventHandler<T extends EventTypes> = (data?: EventData[T]) => void;