openEHR COMPOSITION API
Management of [COMPOSITION](https://specifications.openehr.org/releases/RM/latest/ehr.html#_composition_class) and [VERSIONED_COMPOSITION](https://specifications.openehr.org/releases/RM/latest/ehr.html#_versioned_composition_class) resources. Operations include create, retrieve, update, delete of compositions, and access to their version containers, specific versions and revision history.