import { BaseViewer, Plugin, PluginConfig } from "@x-viewer/core";
export interface StepLoaderPluginConfig extends Partial<PluginConfig> {
    /**
     * Folder URL for `occt-import-js.wasm` (trailing `/` optional), passed to `locateFile`.
     * Default: jsDelivr `occt-import-js` `dist/`.
     */
    wasmBaseUrl?: string;
    /**
     * Full URL to `occt-import-js.js`.
     * Default: jsDelivr `occt-import-js`.
     */
    scriptUrl?: string;
}
/**
 * Registers STEP (`.step` / `.stp`), IGES (`.iges` / `.igs`), and BREP (`.brep` / `.rle`) via one occt-import-js loader.
 */
export declare class StepLoaderPlugin extends Plugin {
    static readonly DEFAULT_ID = "StepLoaderPlugin";
    private readonly loader;
    constructor(viewer: BaseViewer, cfg?: StepLoaderPluginConfig);
    destroy(): void;
}