import type { TrustedProxyAuthConfig } from "../http/middleware/types.js";
import type { ApplicationIdentity } from "./types.js";
export interface TrustedProxyAdmission {
    readonly identity: ApplicationIdentity;
    readonly identityHeaderNames: readonly string[];
}
export interface TrustedProxyApplicationAuthRuntime {
    admitRequest(request: Request): Promise<TrustedProxyAdmission | Response>;
}
export interface TrustedProxyApplicationAuthRuntimeOptions {
    readonly config: TrustedProxyAuthConfig;
}
export declare function markTrustedProxyApplicationAuthAdmittedRequest(request: Request): void;
export declare function isTrustedProxyApplicationAuthAdmittedRequest(request: Request): boolean;
export declare function createTrustedProxyApplicationAuthRuntime(options: TrustedProxyApplicationAuthRuntimeOptions): TrustedProxyApplicationAuthRuntime;
export declare function canonicalizePeerAddress(hostname: string): string | null;
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