code: public static Predicate<Meter> nameEquals(String name) {
      Preconditions.checkNotNull(name, "name");
      return m -> name.equals(m.id().name());
    }
docs: Returns a predicate that matches if the {code}id.name(){code} value for the input meter
  is equal to {code}name{code}. Example of usage:
  
  <pre>
  long numberOfMatches = registry.stream().filter(Functions.nameEquals("foo")).count();
  </pre>
  
  @param name
  The name to use for finding matching meter instances. Cannot be null.
  @return
  A predicate function that can be used to filter a stream.