import type { DataFileRef, WorkflowTaskFileUpload } from 'openxiangda-contracts/browser';
import { type WorkflowTaskFileUploadIntent } from '../../workflow-task-file-upload';
import type { SurfaceField } from '../resource/SurfaceFields';
import type { useWorkflowTaskForm } from './WorkflowTaskForm';
/** One active upload per task form; only transient presentation state is held here. */
export declare function useWorkflowTaskFiles({ taskId, controller, onBusyChange }: {
    taskId?: string;
    controller: ReturnType<typeof useWorkflowTaskForm>;
    onBusyChange?: (busy: boolean) => void;
}): {
    upload: (field: SurfaceField, file: File, _recordId?: string, onRecovered?: (file: DataFileRef) => void, row?: WorkflowTaskFileUpload["row"]) => Promise<DataFileRef>;
    pending: (WorkflowTaskFileUploadIntent & {
        onRecovered?: (file: DataFileRef) => void;
    }) | null;
    busy: boolean;
    failure: string;
    recover: (readOnly: boolean) => Promise<void>;
};
export declare function WorkflowTaskFileRecovery({ files }: {
    files: ReturnType<typeof useWorkflowTaskFiles>;
}): import("react/jsx-runtime").JSX.Element | null;
//# sourceMappingURL=WorkflowTaskFiles.d.ts.map