from: server
to: metrics
evidence:
 - file: "server/src/main/java/org/apache/calcite/avatica/server/MetricsAwareAvaticaHandler.java"
   contains "import org.apache.calcite.avatica.metrics.MetricsSystem;"

from: server
to: metrics
evidence:
 - file: "server/src/main/java/org/apache/calcite/avatica/server/AvaticaProtobufHandler.java"
   contains "import org.apache.calcite.avatica.metrics.MetricsSystem;"

from: server
to: metrics
evidence:
 - file: "server/src/main/java/org/apache/calcite/avatica/server/HttpServer.java"
   contains "import org.apache.calcite.avatica.metrics.MetricsSystemConfiguration;"

from: server
to: metrics
evidence:
 - file: "server/src/main/java/org/apache/calcite/avatica/server/AvaticaJsonHandler.java"
   contains "import org.apache.calcite.avatica.metrics.MetricsSystem;"

from: server
to: metrics
evidence:
 - file: "server/src/main/java/org/apache/calcite/avatica/server/HandlerFactory.java"
   contains "import org.apache.calcite.avatica.metrics.MetricsSystem;"

from: server
to: metrics
evidence:
 - file: "server/src/main/java/org/apache/calcite/avatica/jdbc/JdbcMeta.java"
   contains "import org.apache.calcite.avatica.metrics.Gauge;"