Resurrect JetValueParameter

Its name() and type() methods are still used in Kara (the latter just to check
if the type is nullable, so only the first character is needed)

runtime/src/jet/runtime/typeinfo/JetValueParameter.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2010-2013 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package jet.runtime.typeinfo;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Target(ElementType.PARAMETER)
+@Retention(RetentionPolicy.RUNTIME)
+@Deprecated
+public @interface JetValueParameter {
+    String name();
+
+    /**
+     * This is a hack for Kara
+     * @return <code>"?"</code> if the type of this parameter is nullable, an empty string otherwise
+     */
+    String type() default "";
+}