import type { Nullable } from "instill-sdk";
type UpdateNamespaceObjectPayload = {
    namespaceId: string;
    objectId: string;
    /** Mark the object as uploaded (file exists in storage) */
    isUploaded?: boolean;
    /** File size in bytes */
    size?: number;
    /** MIME content type */
    contentType?: string;
};
/**
 * Hook to update a namespace object's metadata.
 * Commonly used to mark an object as uploaded after direct MinIO upload.
 */
export declare function useUpdateNamespaceObject(): import("@tanstack/react-query").UseMutationResult<import("instill-sdk").UpdateObjectResponse, Error, {
    payload: UpdateNamespaceObjectPayload;
    accessToken: Nullable<string>;
}, unknown>;
export {};
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