| Name | Package | Description |
| Constants | org.apache.synapse | Global constants for the Synapse project |
| Constants | org.apache.synapse.config.xml | Constants used in the XML processing |
| DeprecationConstants | org.apache.synapse.mediators.deprecation | No description provided. |
| Extension | org.apache.synapse.config | An Extension allows the Synapse configuration to be extended. |
| ExtensionFactory | org.apache.synapse.config.xml | A extension factory that is capable of creating an instance of a
named extension, through a given XML, should implement this interface |
| FilterMediator | org.apache.synapse.api | The filter mediator is a list mediator, which executes the given (sub) list of mediators
if the specified condition is satisfied |
| ListMediator | org.apache.synapse.api | The List mediator executes a given sequence/list of child mediators |
| Mediator | org.apache.synapse.api | All Synapse mediators must implement this Mediator interface. |
| MediatorFactory | org.apache.synapse.config.xml | A mediator factory capable of creating an instance of a mediator through a given
XML should implement this interface |
| MessageContext | org.apache.synapse | The Synapse Message Context is available to all mediators through which it flows. |
| SLAConstants | org.apache.synapse.mediators.sla | No description provided. |
| SynapseEnvironment | org.apache.synapse.core | The SynapseEnvironment allows access into the the host SOAP engine. |