from: controller
to: metastore
evidence:
 - file: "controller/mutators/etcd/schema_mutator.go"
   contains "    "github.com/uber/aresdb/metastore""

from: controller
to: metastore
evidence:
 - file: "controller/handlers/schema.go"
   contains "    "github.com/uber/aresdb/metastore""