@@ -0,0 +1,295 @@
+package io.jenetics.incubator.grammar;%0A%0Aimport java.util.List;%0A%0Aimport io.jenetics.Gene;%0Aimport io.jenetics.Genotype;%0Aimport io.jenetics.incubator.grammar.Grammar.Terminal;%0A%0A@FunctionalInterface%0Apublic interface Mapping%3CG extends Gene%3C?, G%3E%3E %7B%0A%09List%3CTerminal%3E map(final Genotype%3CG%3E genotype);%0A%7D%0A

Add 'Mapping' interface.