import { Transporter, TransportType } from './transport.types';
import { ServerResponse } from '@frontmcp/sdk';
import { Scope } from '../scope';
export declare class TransportService {
    readonly ready: Promise<void>;
    private readonly byType;
    private readonly distributed;
    private readonly bus?;
    private readonly scope;
    constructor(scope: Scope);
    private initialize;
    destroy(): Promise<void>;
    getTransporter(type: TransportType, token: string, sessionId: string): Promise<Transporter | undefined>;
    createTransporter(type: TransportType, token: string, sessionId: string, res: ServerResponse): Promise<Transporter>;
    destroyTransporter(type: TransportType, token: string, sessionId: string, reason?: string): Promise<void>;
    private sha256;
    private keyOf;
    private ensureTypeBucket;
    private ensureTokenBucket;
    private lookupLocal;
    private insertLocal;
    private evictLocal;
}