ray-streaming io.ray 0.1-SNAPSHOT 4.0.0 streaming-api ray streaming api ray streaming api jar io.ray ray-api ${project.version} com.google.guava guava 27.0.1-jre org.slf4j slf4j-api 1.7.25 org.slf4j slf4j-log4j12 1.7.25 org.testng testng 6.9.10