@@ -0,0 +1,194 @@
+package jamaica.core.interfaces;%0A%0A/**%0A * Backport of Java 8 Consumer interface.%0A * %0A * @param %3CT%3E Type of the first function parameter%0A */%0Apublic interface Consumer%3CT%3E %7B%0A    void accept(T t);%0A%7D%0A

add Consumer functional interface