/** ### `equal` : 深度判断两个数据是否相同
@example Uasge
```ts
  const o1 = { name: 'jiojio', age: 18 }
  const o2 = { name: 'jiojio', age: 18 }
  assert(equal(o1, o2))

  const a4 = [1, NaN, { name: 'jiojio' }, 'dio']
  const a5 = [1, NaN, { name: 'jiojio' }, 'dio']
  assert(equal(a4, a5))

  const a6 = [1, NaN, { name: 'jiojio' }, 'jiojio']
  assert_reverse(equal(a4, a6))
```
@category Data
 */
export declare function equal(actual: unknown, expected: unknown): boolean;
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