export type EndpointKind = "tls" | "tcp";
export declare function tcpConnect(host: string, port: number, timeoutMs: number): Promise<void>;
export interface EndpointVerification {
    ok: boolean;
    verifiedPorts: number[];
    attempts: number;
    lastError?: string;
}
/**
 * Polls every requested port until a real connection succeeds or the deadline
 * passes. `tls` performs a full HTTPS handshake (TLS + HTTP response, any
 * status counts: a 4xx/5xx still proves the funnel edge terminated the
 * connection); `tcp` performs a raw TCP connect.
 */
export declare function verifyEndpointReachable(hostname: string, ports: number[], kind: EndpointKind, timeoutSeconds: number): Promise<EndpointVerification>;
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