Here is a list of a ideas that may be implemented in the future: - [ ] suggest `assertInstanceOf(Foo::class, $a)` instead of `assertTrue($a instanceof Foo)` - [ ] suggest `assertNotInstanceOf(Foo::class, $a)` instead of `assertFalse($a instanceof Foo)` - [ ] suggest `assertArrayHasKey()` instead of `assertTrue(array_key_exists(..))` - [ ] suggest `assertFileExists()` instead of `assertTrue(file_exists($filePath))`