| Name | Description | Type | Package | Framework |
| DefaultInstrumentManagerImpl | Class | org.apache.excalibur.instrument.manager.impl | Apache Avalon | |
| InstrumentDescriptorImpl | Describes a Instrument and acts as a Proxy to protect the originalSince:4. | Class | org.apache.excalibur.instrument.manager.impl | Apache Avalon |
| InstrumentProxy | Instrumentables which do not implement ThreadSafe may have multiple instances created by the ComponentLocator. | Class | org.apache.excalibur.instrument.manager.impl | Apache Avalon |
| InstrumentSampleDescriptorImpl | Describes an InstrumentSample and acts as a Proxy to protect the original InstrumentSample object. | Class | org.apache.excalibur.instrument.manager.impl | Apache Avalon |
| InstrumentableDescriptorImpl | Describes a Instrumentable and acts as a Proxy to protect the originalSince:4. | Class | org.apache.excalibur.instrument.manager.impl | Apache Avalon |