import type { EntitySchema, OrmRequest, OrmResponse } from '@mostajs/orm';
import type { ITransport, TransportConfig, TransportInfo, TransportMiddleware, TransportContext } from '../core/types.js';
type OrmHandler = (req: OrmRequest, ctx: TransportContext) => Promise<OrmResponse>;
export declare class ArrowFlightTransport implements ITransport {
    readonly name = "arrow";
    private config;
    private schemas;
    private middlewares;
    private ormHandler;
    private stats;
    setHandler(handler: OrmHandler): void;
    use(mw: TransportMiddleware): void;
    registerEntity(schema: EntitySchema): void;
    /**
     * Handle an Arrow Flight-style HTTP request.
     * Endpoints:
     *   GET  /arrow/flights              → list available flights (entity datasets)
     *   GET  /arrow/schema/{entity}      → get Arrow schema for entity
     *   POST /arrow/stream/{entity}      → stream entity data as JSON (Arrow-compatible)
     *   POST /arrow/query/{entity}       → query with filter, return columnar
     */
    handleRequest(method: string, path: string, body?: any): Promise<{
        status: number;
        data: any;
        contentType?: string;
    }>;
    /**
     * Stream entity data in columnar format (JSON representation of Arrow).
     */
    private streamEntity;
    /**
     * Query entity with filter and return columnar data.
     */
    private queryEntity;
    /**
     * Map ORM field types to Arrow types.
     */
    private mapToArrowType;
    getPath(): string;
    start(config: TransportConfig): Promise<void>;
    stop(): Promise<void>;
    getInfo(): TransportInfo;
}
/** Factory */
export declare function createTransport(): ITransport;
export {};