declare function importScripts(...urls: string[]): void;
declare function createRawConvertCore(moduleArgs?: Record<string, unknown>): Promise<any>;
declare const workerSelf: {
    onmessage: ((e: MessageEvent) => void) | null;
    postMessage(msg: any, transfer?: Transferable[]): void;
};
type WorkerRequest = import('./worker-types.js').WorkerRequest;
type WorkerResponse = import('./worker-types.js').WorkerResponse;
type InternalProcessingOptions = import('./types.js').InternalProcessingOptions;
type RawConvertCoreModule = import('./types.js').RawConvertCoreModule;
type RawProcessorInstance = import('./types.js').RawProcessorInstance;
declare const COLOR_SPACE_MAP: Record<string, number>;
declare const INTERPOLATION_MAP: Record<string, number>;
declare let module: RawConvertCoreModule | null;
declare let processor: RawProcessorInstance | null;
declare function respond(id: number, result: any, transfer?: Transferable[]): void;
declare function respondError(id: number, error: string): void;
declare function toInternalOptions(opts?: any): InternalProcessingOptions;
declare function loadFile(data: ArrayBuffer, filename?: string): any;
declare function extractThumbnail(): any;
declare function processImage(opts?: any): any;