import type { TrustListQueryPurpose } from "./contract";
import type { TrustListPurposeMask } from "./types";
export declare function normalizeHex(input?: string | null): string | null;
export declare function hexToBase64Url(input?: string | null): string | null;
export declare function base64UrlToHex(input?: string | null): string | null;
export declare function normalizeKeyIdentifier(input?: string | ArrayBuffer | ArrayBufferView | null): string | null;
export declare function normalizeDistinguishedName(dn?: string | null): string;
export declare function isTrustedServiceStatus(status: string): boolean;
export declare function getRelevantServiceType(uri?: string | null): string | null;
export declare function getTrustListPurposeMaskForQueryPurpose(purpose: TrustListQueryPurpose): TrustListPurposeMask;
export declare function trustListPurposeMatchesMask(purpose: TrustListQueryPurpose, purposeMask: TrustListPurposeMask): boolean;
export declare function getTrustListPurposeMaskForServiceType(serviceType: string): TrustListPurposeMask | null;
export declare function getServiceStatusSuffix(uri?: string | null): string | null;
export declare function isLikelyXmlTslUrl(url: string): boolean;