4.0.0 org.apache.tuscany.sca vtest-java-api 2.0-M2-SNAPSHOT ../pom.xml vtest-java-api-conversation pom Apache Tuscany SCA Java APIs and Annotations Verification Tests - Conversation org.apache.tuscany.sca tuscany-host-embedded 2.0-M2-SNAPSHOT org.apache.tuscany.sca tuscany-implementation-java-runtime 2.0-M2-SNAPSHOT runtime default true parameters lifetime id callback