export declare function asRecord<T extends Record<string, unknown>>(value: unknown): T;
export declare function readOptionalString(value: unknown): string | undefined;
export declare function normalizePositiveInteger(value: unknown): number | undefined;
export declare function normalizeAlias(candidate: string | undefined, existing: Set<string>): string;
export declare function pushUnique<T>(list: T[], value: T): void;
