import type { IncomingMessage } from "node:http";
export declare function nonEmptyEnv(name: string): string | undefined;
export declare function authRegistryUrl(): string | undefined;
export declare function readBearerToken(headers: {
    authorization?: string | string[];
}): string | null;
export declare function requiredSearchParam(url: URL, name: string): string;
export declare function isForwardedHttps(request: IncomingMessage): boolean;