[LL API] Support code fragment compilation

analysis/analysis-api/testData/components/compilerFacility/compilation/classKinds.kt

@@ -0,0 +1,22 @@
+interface Intf {
+    fun run()
+}
+
+abstract class Ordinary
+
+annotation class Anno
+
+@Anno
+class Generic<T> : Ordinary(), Intf {
+    override fun run() {}
+}
+
+enum class Direction {
+    NORTH, SOUTH, WEST, EAST
+}
+
+sealed class Operation {
+    class Add(val firstValue: Int, val secondValue: Int) : Operation()
+    class Subtract(val minuend: Int, val subtrahend: Int) : Operation()
+    class Negate(val value: Int) : Operation()
+}