4.0.0 com.squareup.retrofit2 retrofit-adapters 2.6.4 ../pom.xml adapter-java8 Adapter: Java 8 1.8 ${project.groupId} retrofit ${project.version} com.google.code.findbugs jsr305 provided junit junit test org.assertj assertj-core test com.google.guava guava test com.squareup.okhttp3 mockwebserver test org.codehaus.mojo animal-sniffer-maven-plugin ${animal.sniffer.version} org.kaazing.mojo.signature java18 1.0 org.apache.maven.plugins maven-jar-plugin retrofit2.adapter.java8