import type { generateUniqueNumber as generateUniqueNumberFunction } from 'fast-unique-numbers';
export declare const createPostMessageFactory: (generateUniqueNumber: typeof generateUniqueNumberFunction) => (ongoingRequests: Map<number, {
    reject: Function;
    resolve: Function;
}>, port: MessagePort) => (message: {
    method: string;
    params?: object;
}, transferables?: Transferable[]) => Promise<void>;
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