export declare function normalizeOrigin(input?: string): string;
export declare function sameOriginRelation(sourceOrigin: string, targetOrigin: string): "same-origin" | "same-site" | "cross-site" | "cross-channel";
export declare function normalizeText(input: string): string;
export declare function tokenize(input: string): string[];
export declare function overlapScore(left: string, right: string): number;
export declare function sha256Hex(input: string | Uint8Array): string;
export declare function stableStringify(value: unknown): string;
export declare function isPrivateHost(input: string): boolean;
export declare function clamp(value: number, min?: number, max?: number): number;
export declare function uniq<T>(values: Iterable<T>): T[];
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