public Map<String, String> getParameters() {
      return parameters;
    }
Common method to refresh cache constraint
@param constraints list of constraints to update
@param mn Constraint type
@return Since memory constraint is handled by cache eviction policy.
Hence this method will always return true if correct constraint type passed.
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/cache/SharedCache.java