fdk com.fnproject.fn 1.0.61 4.0.0 UTF-8 api org.apache.maven.plugins maven-javadoc-plugin 3.0.0-M1 attach-javadocs jar org.netbeans.tools sigtest-maven-plugin 1.0 check src/main/api/snapshot.sigfile strictcheck com.fnproject.fn.api,com.fnproject.fn.api.exception,com.fnproject.fn.api.flow junit junit 4.12 test