Initial setup with test cases

rewrite-java/src/main/java/org/openrewrite/java/search/NotUsesType.java

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+/*
+ * Copyright 2024 the original author or authors.
+ * <p>
+ * 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
+ * <p>
+ * https://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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 org.openrewrite.java.search;
+
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.Value;
+import org.jspecify.annotations.Nullable;
+import org.openrewrite.ExecutionContext;
+import org.openrewrite.Preconditions;
+import org.openrewrite.Recipe;
+import org.openrewrite.TreeVisitor;
+
+@Value
+@EqualsAndHashCode(callSuper = false)
+public class NotUsesType extends Recipe {
+
+    @Nullable
+    @Getter
+    private final String fullyQualifiedType;
+
+    @Nullable
+    private final Boolean includeImplicit;
+
+    @Override
+    public String getDisplayName() {
+        return "Check whether a type is not in use";
+    }
+
+    @Override
+    public String getDescription() {
+        return "Inverse of `UsesType`.";
+    }
+
+    @Override
+    public TreeVisitor<?, ExecutionContext> getVisitor() {
+        return Preconditions.not(new UsesType<>(fullyQualifiedType, includeImplicit));
+    }
+}

rewrite-java/src/test/java/org/openrewrite/java/search/NotUsesTypeTest.java

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+package org.openrewrite.java.search;
+
+import org.junit.jupiter.api.Test;
+import org.openrewrite.DocumentExample;
+import org.openrewrite.test.RecipeSpec;
+import org.openrewrite.test.RewriteTest;
+
+import static org.openrewrite.java.Assertions.java;
+
+class NotUsesTypeTest implements RewriteTest {
+
+    @Override
+    public void defaults(RecipeSpec spec) {
+        spec.recipe(new NotUsesType("java.lang.String", true));
+    }
+
+    @DocumentExample
+    @Test
+    void doesNotUseType() {
+        rewriteRun(
+          spec -> spec.expectedCyclesThatMakeChanges(1),
+          java(
+            """
+            class Foo{
+                int bla = 123;
+            }
+            """
+          ));
+    }
+
+    @Test
+    void doesUseType() {
+        rewriteRun(
+          java(
+            """
+            class Foo{
+                String bla = "bla";
+            }
+            """));
+    }
+
+}