function keysIn(object) {
  return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
}
Creates an array of the own and inherited enumerable property names of `object`.

**Note:** Non-object values are coerced to objects.

@static
@memberOf _
@since 3.0.0
@category Object
@param {Object} object The object to query.
@returns {Array} Returns the array of property names.
@example

function Foo() {
  this.a = 1;
  this.b = 2;
}

Foo.prototype.c = 3;

_.keysIn(new Foo);
// => ['a', 'b', 'c'] (iteration order is not guaranteed)