import { Extension, ReaderContext, WriterContext } from '@gltf-transform/core';
export declare class WebGIViewerExtension extends Extension {
    readonly extensionName = "WEBGI_viewer";
    static readonly EXTENSION_NAME = "WEBGI_viewer";
    private _viewerConfig;
    private _texturesRef;
    read(context: ReaderContext): this;
    write(context: WriterContext): this;
    required: boolean;
}
//# sourceMappingURL=WebGIViewerExtension.d.ts.map