| Name | Description | Type | Package | Framework |
| ConstraintsImpl | Restrictions on the access and use of a resource or metadata. | Class | org.geotools.metadata.iso.constraint | GeoTools |
| LegalConstraintsImpl | Restrictions and legal prerequisites for accessing and using the resource. | Class | org.geotools.metadata.iso.constraint | GeoTools |
| SecurityConstraintsImpl | Handling restrictions imposed on the resource for national security or similar security concerns. | Class | org.geotools.metadata.iso.constraint | GeoTools |