@@ -2,9 +2,9 @@  | 
                                                    ||
| 2 | 2 | |
| 3 | 3 | namespace sixlive\Laravel\JsonSchemaAssertions;  | 
                                                        
| 4 | 4 | |
| 5 | -use Swaggest\JsonSchema\Schema;  | 
                                                        |
| 6 | -use Swaggest\JsonSchema\InvalidValue;  | 
                                                        |
| 7 | 5 | use PHPUnit\Framework\Assert as PHPUnit;  | 
                                                        
| 6 | +use Swaggest\JsonSchema\InvalidValue;  | 
                                                        |
| 7 | +use Swaggest\JsonSchema\Schema;  | 
                                                        |
| 8 | 8 | use sixlive\Laravel\JsonSchemaAssertions\Support\Str;  | 
                                                        
| 9 | 9 | |
| 10 | 10 | class SchemaAssertion  | 
                                                        
@@ -6,8 +6,8 @@  | 
                                                    ||
| 6 | 6 | /**  | 
                                                        
| 7 | 7 | * Test to see if a string is json  | 
                                                        
| 8 | 8 | *  | 
                                                        
| 9 | - * @param mixed $schema  | 
                                                        |
| 10 | - * @return void  | 
                                                        |
| 9 | + * @param string $string  | 
                                                        |
| 10 | + * @return boolean  | 
                                                        |
| 11 | 11 | */  | 
                                                        
| 12 | 12 | public static function isJson($string)  | 
                                                        
| 13 | 13 |      { |