/** Public API contract for runtime upload URL fetch. */
export type RuntimeUploadUrlFetch = (url: string, init: RequestInit) => Promise<Response>;
/** Options accepted by runtime upload URL client. */
export type RuntimeUploadUrlClientOptions = {
    apiUrl: string | URL;
    fetch?: RuntimeUploadUrlFetch;
    timeoutMs?: number;
};
/** Options accepted by runtime upload URL. */
export type RuntimeUploadUrlOptions = RuntimeUploadUrlClientOptions & {
    authToken: string;
    uploadId: string;
    projectId?: string | null;
};
/** Return runtime upload URL. */
export declare function getRuntimeUploadUrl(options: RuntimeUploadUrlOptions): Promise<string>;
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