declare function cpOf(char: string): number;
declare function getOrInsert<Key, Value>(map: Map<Key, Value>, key: Key, defaultValue: Value): Value;
declare const PosixClassNames: Set<string>;
declare const r: (template: {
    raw: readonly string[] | ArrayLike<string>;
}, ...substitutions: any[]) => string;
declare function throwIfNullish<Value>(value: Value, msg?: string): NonNullable<Value>;
export { cpOf, getOrInsert, PosixClassNames, r, throwIfNullish, };
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