export declare const VALID_RENDER_FORMATS: {
    off: boolean;
    svg: boolean;
};
export declare const VALID_EXPORT_FORMATS_2D: {
    svg: boolean;
    dxf: boolean;
};
export declare const VALID_EXPORT_FORMATS_3D: {
    stl: boolean;
    off: boolean;
    glb: boolean;
    '3mf': boolean;
};
export declare function is2DFormatExtension(ext: string): ext is "svg" | "dxf";
export declare function isSupportedImportExtension(ext: string): boolean;
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