API for embedding incremental compilation

interface/src/main/java/xsbti/compile/Compilers.java

@@ -0,0 +1,8 @@
+package xsbti.compile;
+
+public interface Compilers<ScalaCompiler>
+{
+	JavaCompiler javac();
+	// should be cached by client if desired
+	ScalaCompiler scalac();
+}