| Name | Description | Type | Package | Framework |
| Hints | A set of hints providing control on factories to be used. | Class | org.geotools.factory | GeoTools |
| Hints .ClassKey | A key for value that may be specified either as instance of T, or asSince:2. | Class | org.geotools.factory.Hints | GeoTools |
| Hints .ConfigurationMetadataKey | Keys for extra configuration options that are passed from the overhead application into queries. | Class | org.geotools.factory.Hints | GeoTools |
| Hints .DoubleKey | A hint used to capture a configuration setting as double. | Class | org.geotools.factory.Hints | GeoTools |
| Hints .FileKey | Key for hints to be specified as a File. | Class | org.geotools.factory.Hints | GeoTools |
| Hints .IntegerKey | A hint used to capture a configuration setting as an integer. | Class | org.geotools.factory.Hints | GeoTools |
| Hints .Key | The type for keys used to control various aspects of the factory creation. | Class | org.geotools.factory.Hints | GeoTools |
| Hints .OptionKey | Key that allows the choice of several options. | Class | org.geotools.factory.Hints | GeoTools |