4.0.0 io.github.a2asdk a2a-java-sdk-parent 0.2.5.Beta2 a2a-java-sdk-client jar Java SDK A2A Client Java SDK for the Agent2Agent Protocol (A2A) - Client ${project.groupId} a2a-java-sdk-common ${project.version} ${project.groupId} a2a-java-sdk-spec ${project.version} org.junit.jupiter junit-jupiter-api test org.mock-server mockserver-netty test