4.0.0 org.bsc.langgraph4j langgraph4j-parent 1.8.5 langgraph4j-opentelemetry jar langgraph4j::opentelemetry Open Telemetry Experimentation UTF-8 io.opentelemetry.instrumentation opentelemetry-instrumentation-bom 2.21.0 pom import org.bsc.langgraph4j langgraph4j-core ${project.parent.version} io.opentelemetry opentelemetry-sdk io.opentelemetry opentelemetry-sdk-extension-autoconfigure 1.55.0 io.opentelemetry opentelemetry-exporter-otlp io.opentelemetry.instrumentation opentelemetry-logback-appender-1.0 2.21.0-alpha ch.qos.logback logback-classic 1.5.20 io.opentelemetry.proto opentelemetry-proto 1.8.0-alpha true com.google.protobuf protobuf-java-util 4.33.0 true org.junit.jupiter junit-jupiter test org.junit.jupiter junit-jupiter-params test org.apache.maven.plugins maven-surefire-plugin **/*ITest.java