--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/fj/F7.java	Fri Mar 20 21:04:03 2015 +0900
@@ -0,0 +1,25 @@
+package fj;
+
+/**
+ * A transformation function of arity-7 from <code>A</code>, <code>B</code>, <code>C</code>,
+ * <code>D</code>, <code>E</code>, <code>F$</code> and <code>G</code> to <code>H</code>. This type
+ * can be represented using the Java 7 closure syntax.
+ *
+ * @version %build.number%
+ */
+public interface F7<A, B, C, D, E, F$, G, H> {
+  /**
+   * Transform <code>A</code>, <code>B</code>, <code>C</code>, <code>D</code>, <code>E</code>,
+   * <code>F$</code> and <code>G</code> to <code>H</code>.
+   *
+   * @param a The <code>A</code> to transform.
+   * @param b The <code>B</code> to transform.
+   * @param c The <code>C</code> to transform.
+   * @param d The <code>D</code> to transform.
+   * @param e The <code>E</code> to transform.
+   * @param f The <code>F$</code> to transform.
+   * @param g The <code>G</code> to transform.
+   * @return The result of the transformation.
+   */
+  public H f(A a, B b, C c, D d, E e, F$ f, G g);
+}