/**
 * Splits the given space-delimited string into unique values.
 * @param value The string to split
 * @returns Set of unique values
 * @example classNametoTokenList('foo  bar foo') // Set(2) { 'foo', 'bar' }
 */
export declare function classNameToTokenList(value: string): Set<string>;
/**
 * Converts a set of values into a space-delimited string
 * @param values The set of values to join
 * @returns A space-delimited string
 * @example tokenListToClassName(new Set(['hello', 'world'])) // 'hello world'
 */
export declare function tokenListToClassName(values: Set<string>): string;
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