import { type IpAddress, type NonEmptyReadonlyArray } from "./types.js";
export type ChainParseResult = {
    readonly ok: true;
    readonly chain: NonEmptyReadonlyArray<IpAddress>;
} | {
    readonly ok: false;
    readonly reason: "too-large" | "too-many" | "empty";
};
export declare function parseXForwardedFor(raw: string | undefined): ChainParseResult;
export declare function parseForwarded(raw: string | undefined): ChainParseResult;
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