import { readControllerProcessIdentity } from './classes.processinspection.js';
import { type IControllerDraftAttachment } from '../dist_ts_interfaces/interfaces.js';
export interface IControllerUploadHandle {
    id: string;
    directory: string;
    paths: string[];
    promptSuffix: string;
    bytes: number;
    cleanup(): Promise<void>;
}
export interface IControllerUploadManagerOptions {
    rootDirectory?: string;
    readProcessIdentity?: typeof readControllerProcessIdentity;
}
export declare class ControllerUploadManager {
    private readonly options;
    private readonly readProcessIdentity;
    private rootPromise?;
    private readonly activeUploads;
    private readonly pendingCreates;
    private activeUploadCount;
    private activeBytes;
    private closed;
    private closePromise?;
    constructor(options?: IControllerUploadManagerOptions);
    create(attachmentsArg: readonly IControllerDraftAttachment[]): Promise<IControllerUploadHandle | undefined>;
    close(): Promise<void>;
    private createReserved;
    private closeInternal;
    private ensureRoot;
    private writeOwnerMarker;
    private cleanupStaleRoots;
    private removeStaleRoot;
    private validateStaleTree;
    private cleanup;
}