/**
 * Returns `true` if its arguments are equivalent (recursively). Handles cyclical data structures.
 *
 * Dispatches symmetrically to the `equals` methods of both arguments, if present.
 * @param a The first item to compare.
 * @param b The second item to compare.
 *
 * @example
 * ```typescript
 * equals(1, 1); //=> true
 * equals(1, '1'); //=> false
 * equals([1, 2, 3], [1, 2, 3]); //=> true
 * equals({ a: [1], b: { c: 'd' } }, { a: [1], b: { c: 'd' } }); //=> true
 *
 * const a = {};
 * a.v = a;
 * const b = {};
 * b.v = b;
 * equals(a, b); //=> true
 * ```
 */
declare const equals: {
  <T>(a: unknown, b: T): a is T;
  <T>(b: T): (a: unknown) => a is T;
};
export default equals;
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