/**
 * Returns terms in a tree form.
 *
 * @param {Array} flatTerms Array of terms in flat format.
 *
 * @return {Array} Array of terms in tree format.
 */
export function buildTermsTree(flatTerms: any[]): any[];
export function unescapeString(arg: any): string;
export function unescapeTerm(term: Object): Object;
export function unescapeTerms(terms: Object[]): Object[];
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