[ggj][engx] fix: move ServiceClientSampleCodeComposer to composer.samplecode

src/main/java/com/google/api/generator/gapic/composer/ServiceClientClassComposer.java

@@ -1446,7 +1446,8 @@ private static void createVaporTypes(Service service, TypeStore typeStore) {
           true,
           ClassNames.getServiceClientClassName(service));
     }
-    // LRO Gapic-generated typeStore.
+
+    // LRO Gapic-generated types.
     typeStore.put("com.google.longrunning", "OperationsClient");
     // Pagination types.
     typeStore.putAll(

src/main/java/com/google/api/generator/gapic/composer/ServiceClientCommentComposer.java

@@ -17,6 +17,7 @@
 import com.google.api.generator.engine.ast.CommentStatement;
 import com.google.api.generator.engine.ast.JavaDocComment;
 import com.google.api.generator.engine.ast.TypeNode;
+import com.google.api.generator.gapic.composer.samplecode.ServiceClientSampleCodeComposer;
 import com.google.api.generator.gapic.model.Method;
 import com.google.api.generator.gapic.model.MethodArgument;
 import com.google.api.generator.gapic.model.Service;

src/main/java/com/google/api/generator/gapic/composer/samplecode/BUILD.bazel

@@ -17,6 +17,7 @@ java_library(
         "//src/main/java/com/google/api/generator/engine/writer",
         "//src/main/java/com/google/api/generator/gapic/model",
         "//src/main/java/com/google/api/generator/gapic/utils",
+        "@com_google_api_gax_java//gax",
         "@google_java_format_all_deps//jar",
     ],
 )

src/main/java/com/google/api/generator/gapic/composer/ServiceClientSampleCodeComposer.java → src/main/java/com/google/api/generator/gapic/composer/samplecode/ServiceClientSampleCodeComposer.java

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.api.generator.gapic.composer;
+package com.google.api.generator.gapic.composer.samplecode;
 
 import com.google.api.gax.core.FixedCredentialsProvider;
 import com.google.api.generator.engine.ast.AssignmentExpr;
@@ -24,7 +24,6 @@
 import com.google.api.generator.engine.ast.VaporReference;
 import com.google.api.generator.engine.ast.Variable;
 import com.google.api.generator.engine.ast.VariableExpr;
-import com.google.api.generator.gapic.composer.samplecode.SampleCodeWriter;
 import com.google.api.generator.gapic.utils.JavaStyle;
 import java.util.Arrays;