4.0.0 io.prometheus client_java 1.3.6 prometheus-metrics-tracer pom Prometheus Metrics Tracer Parent for Prometheus integrations with distributed tracing libraries. io.opentelemetry.instrumentation opentelemetry-instrumentation-bom-alpha ${otel.instrumentation.version} pom import prometheus-metrics-tracer-common prometheus-metrics-tracer-initializer prometheus-metrics-tracer-otel prometheus-metrics-tracer-otel-agent