from: flink-libraries
to: flink-metrics
evidence:
 - file: "flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/operator/CepOperator.java"
   contains "import org.apache.flink.metrics.Counter;"

from: flink-libraries
to: flink-metrics
evidence:
 - file: "flink-libraries/flink-cep/src/main/java/org/apache/flink/cep/operator/CepRuntimeContext.java"
   contains "import org.apache.flink.metrics.MetricGroup;"

from: flink-libraries
to: flink-metrics
evidence:
 - file: "flink-libraries/flink-state-processing-api/src/main/java/org/apache/flink/state/api/runtime/SavepointRuntimeContext.java"
   contains "import org.apache.flink.metrics.MetricGroup;"