import { type EndpointToolContent } from '@xopcai/endpoint-tools-protocol';
export declare const ENDPOINT_UPLOAD_MAX_BYTES: number;
export interface EndpointUploadedFile {
    fileId: string;
    invocationId: string;
    name: string;
    mimeType: string;
    size: number;
    sha256: string;
    path: string;
}
export interface EndpointUploadGrant {
    path: string;
    token: string;
    maxBytes: number;
    maxFiles: number;
    expiresAt: number;
}
export declare class EndpointUploadError extends Error {
}
export declare class EndpointUploadService {
    private readonly rootDir;
    private readonly grants;
    private readonly files;
    constructor(rootDir: string);
    createGrant(invocationId: string, endpointId: string, now?: number): EndpointUploadGrant;
    upload(params: {
        invocationId: string;
        endpointId: string;
        token: string;
        name: string;
        mimeType: string;
        bytes: Uint8Array;
        now?: number;
    }): EndpointUploadedFile;
    validateAndClose(invocationId: string, content: EndpointToolContent[]): void;
    abort(invocationId: string): void;
    getFile(fileId: string): EndpointUploadedFile | undefined;
    readFile(fileId: string): Uint8Array | undefined;
    private deleteFile;
}