Lint: Rewrite Lint diagnostics using Uast.

plugins/lint/android-annotations/src/com/android/annotations/NonNull.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * 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 com.android.annotations;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import static java.lang.annotation.ElementType.*;
+
+/**
+ * Denotes that a parameter, field or method return value can never be null.
+ * <p/>
+ * This is a marker annotation and it has no specific attributes.
+ */
+@Documented
+@Retention(RetentionPolicy.CLASS)
+@Target({METHOD,PARAMETER,LOCAL_VARIABLE,FIELD})
+public @interface NonNull {
+}