diff --git a/pom.xml.circleci b/pom.xml.circleci
index 0f4f987914..9de37dea1a 100644
--- a/pom.xml.circleci
+++ b/pom.xml.circleci
@@ -837,6 +837,7 @@
                 <module>samples/client/petstore/java/resttemplate-withXml</module>
                 <module>samples/client/petstore/java/vertx</module>
                 <module>samples/client/petstore/java/resteasy</module>
+                <module>samples/client/petstore/java/google-api-client</module>
                 <module>samples/client/petstore/kotlin/</module>
                 <!-- test non-java projects -->
                 <module>samples/client/petstore/go</module>
diff --git a/samples/client/petstore/java/jersey1/docs/FakeApi.md b/samples/client/petstore/java/jersey1/docs/FakeApi.md
index 88bb107629..737ccc2829 100644
--- a/samples/client/petstore/java/jersey1/docs/FakeApi.md
+++ b/samples/client/petstore/java/jersey1/docs/FakeApi.md
@@ -268,7 +268,7 @@ FakeApi apiInstance = new FakeApi();
 BigDecimal number = new BigDecimal(); // BigDecimal | None
 Double _double = 3.4D; // Double | None
 String patternWithoutDelimiter = "patternWithoutDelimiter_example"; // String | None
-byte[] _byte = _byte_example; // byte[] | None
+byte[] _byte = B; // byte[] | None
 Integer integer = 56; // Integer | None
 Integer int32 = 56; // Integer | None
 Long int64 = 789L; // Long | None
diff --git a/samples/client/petstore/java/jersey2-java6/docs/FakeApi.md b/samples/client/petstore/java/jersey2-java6/docs/FakeApi.md
index 88bb107629..737ccc2829 100644
--- a/samples/client/petstore/java/jersey2-java6/docs/FakeApi.md
+++ b/samples/client/petstore/java/jersey2-java6/docs/FakeApi.md
@@ -268,7 +268,7 @@ FakeApi apiInstance = new FakeApi();
 BigDecimal number = new BigDecimal(); // BigDecimal | None
 Double _double = 3.4D; // Double | None
 String patternWithoutDelimiter = "patternWithoutDelimiter_example"; // String | None
-byte[] _byte = _byte_example; // byte[] | None
+byte[] _byte = B; // byte[] | None
 Integer integer = 56; // Integer | None
 Integer int32 = 56; // Integer | None
 Long int64 = 789L; // Long | None
diff --git a/samples/client/petstore/java/jersey2-java8/docs/FakeApi.md b/samples/client/petstore/java/jersey2-java8/docs/FakeApi.md
index 88bb107629..737ccc2829 100644
--- a/samples/client/petstore/java/jersey2-java8/docs/FakeApi.md
+++ b/samples/client/petstore/java/jersey2-java8/docs/FakeApi.md
@@ -268,7 +268,7 @@ FakeApi apiInstance = new FakeApi();
 BigDecimal number = new BigDecimal(); // BigDecimal | None
 Double _double = 3.4D; // Double | None
 String patternWithoutDelimiter = "patternWithoutDelimiter_example"; // String | None
-byte[] _byte = _byte_example; // byte[] | None
+byte[] _byte = B; // byte[] | None
 Integer integer = 56; // Integer | None
 Integer int32 = 56; // Integer | None
 Long int64 = 789L; // Long | None
diff --git a/samples/client/petstore/java/jersey2/docs/FakeApi.md b/samples/client/petstore/java/jersey2/docs/FakeApi.md
index 88bb107629..737ccc2829 100644
--- a/samples/client/petstore/java/jersey2/docs/FakeApi.md
+++ b/samples/client/petstore/java/jersey2/docs/FakeApi.md
@@ -268,7 +268,7 @@ FakeApi apiInstance = new FakeApi();
 BigDecimal number = new BigDecimal(); // BigDecimal | None
 Double _double = 3.4D; // Double | None
 String patternWithoutDelimiter = "patternWithoutDelimiter_example"; // String | None
-byte[] _byte = _byte_example; // byte[] | None
+byte[] _byte = B; // byte[] | None
 Integer integer = 56; // Integer | None
 Integer int32 = 56; // Integer | None
 Long int64 = 789L; // Long | None
diff --git a/samples/client/petstore/java/okhttp-gson-parcelableModel/docs/FakeApi.md b/samples/client/petstore/java/okhttp-gson-parcelableModel/docs/FakeApi.md
index 88bb107629..737ccc2829 100644
--- a/samples/client/petstore/java/okhttp-gson-parcelableModel/docs/FakeApi.md
+++ b/samples/client/petstore/java/okhttp-gson-parcelableModel/docs/FakeApi.md
@@ -268,7 +268,7 @@ FakeApi apiInstance = new FakeApi();
 BigDecimal number = new BigDecimal(); // BigDecimal | None
 Double _double = 3.4D; // Double | None
 String patternWithoutDelimiter = "patternWithoutDelimiter_example"; // String | None
-byte[] _byte = _byte_example; // byte[] | None
+byte[] _byte = B; // byte[] | None
 Integer integer = 56; // Integer | None
 Integer int32 = 56; // Integer | None
 Long int64 = 789L; // Long | None
diff --git a/samples/client/petstore/java/okhttp-gson/docs/FakeApi.md b/samples/client/petstore/java/okhttp-gson/docs/FakeApi.md
index 88bb107629..737ccc2829 100644
--- a/samples/client/petstore/java/okhttp-gson/docs/FakeApi.md
+++ b/samples/client/petstore/java/okhttp-gson/docs/FakeApi.md
@@ -268,7 +268,7 @@ FakeApi apiInstance = new FakeApi();
 BigDecimal number = new BigDecimal(); // BigDecimal | None
 Double _double = 3.4D; // Double | None
 String patternWithoutDelimiter = "patternWithoutDelimiter_example"; // String | None
-byte[] _byte = _byte_example; // byte[] | None
+byte[] _byte = B; // byte[] | None
 Integer integer = 56; // Integer | None
 Integer int32 = 56; // Integer | None
 Long int64 = 789L; // Long | None
diff --git a/samples/client/petstore/java/resteasy/docs/FakeApi.md b/samples/client/petstore/java/resteasy/docs/FakeApi.md
index 88bb107629..737ccc2829 100644
--- a/samples/client/petstore/java/resteasy/docs/FakeApi.md
+++ b/samples/client/petstore/java/resteasy/docs/FakeApi.md
@@ -268,7 +268,7 @@ FakeApi apiInstance = new FakeApi();
 BigDecimal number = new BigDecimal(); // BigDecimal | None
 Double _double = 3.4D; // Double | None
 String patternWithoutDelimiter = "patternWithoutDelimiter_example"; // String | None
-byte[] _byte = _byte_example; // byte[] | None
+byte[] _byte = B; // byte[] | None
 Integer integer = 56; // Integer | None
 Integer int32 = 56; // Integer | None
 Long int64 = 789L; // Long | None
diff --git a/samples/client/petstore/java/resttemplate-withXml/docs/FakeApi.md b/samples/client/petstore/java/resttemplate-withXml/docs/FakeApi.md
index 88bb107629..737ccc2829 100644
--- a/samples/client/petstore/java/resttemplate-withXml/docs/FakeApi.md
+++ b/samples/client/petstore/java/resttemplate-withXml/docs/FakeApi.md
@@ -268,7 +268,7 @@ FakeApi apiInstance = new FakeApi();
 BigDecimal number = new BigDecimal(); // BigDecimal | None
 Double _double = 3.4D; // Double | None
 String patternWithoutDelimiter = "patternWithoutDelimiter_example"; // String | None
-byte[] _byte = _byte_example; // byte[] | None
+byte[] _byte = B; // byte[] | None
 Integer integer = 56; // Integer | None
 Integer int32 = 56; // Integer | None
 Long int64 = 789L; // Long | None
diff --git a/samples/client/petstore/java/resttemplate/docs/FakeApi.md b/samples/client/petstore/java/resttemplate/docs/FakeApi.md
index 88bb107629..737ccc2829 100644
--- a/samples/client/petstore/java/resttemplate/docs/FakeApi.md
+++ b/samples/client/petstore/java/resttemplate/docs/FakeApi.md
@@ -268,7 +268,7 @@ FakeApi apiInstance = new FakeApi();
 BigDecimal number = new BigDecimal(); // BigDecimal | None
 Double _double = 3.4D; // Double | None
 String patternWithoutDelimiter = "patternWithoutDelimiter_example"; // String | None
-byte[] _byte = _byte_example; // byte[] | None
+byte[] _byte = B; // byte[] | None
 Integer integer = 56; // Integer | None
 Integer int32 = 56; // Integer | None
 Long int64 = 789L; // Long | None
diff --git a/samples/client/petstore/java/retrofit2-play24/docs/FakeApi.md b/samples/client/petstore/java/retrofit2-play24/docs/FakeApi.md
index 3eed01e889..3e052dea27 100644
--- a/samples/client/petstore/java/retrofit2-play24/docs/FakeApi.md
+++ b/samples/client/petstore/java/retrofit2-play24/docs/FakeApi.md
@@ -268,7 +268,7 @@ FakeApi apiInstance = new FakeApi();
 BigDecimal number = new BigDecimal(); // BigDecimal | None
 Double _double = 3.4D; // Double | None
 String patternWithoutDelimiter = "patternWithoutDelimiter_example"; // String | None
-byte[] _byte = _byte_example; // byte[] | None
+byte[] _byte = B; // byte[] | None
 Integer integer = 56; // Integer | None
 Integer int32 = 56; // Integer | None
 Long int64 = 789L; // Long | None
diff --git a/samples/client/petstore/java/retrofit2/docs/FakeApi.md b/samples/client/petstore/java/retrofit2/docs/FakeApi.md
index 3eed01e889..3e052dea27 100644
--- a/samples/client/petstore/java/retrofit2/docs/FakeApi.md
+++ b/samples/client/petstore/java/retrofit2/docs/FakeApi.md
@@ -268,7 +268,7 @@ FakeApi apiInstance = new FakeApi();
 BigDecimal number = new BigDecimal(); // BigDecimal | None
 Double _double = 3.4D; // Double | None
 String patternWithoutDelimiter = "patternWithoutDelimiter_example"; // String | None
-byte[] _byte = _byte_example; // byte[] | None
+byte[] _byte = B; // byte[] | None
 Integer integer = 56; // Integer | None
 Integer int32 = 56; // Integer | None
 Long int64 = 789L; // Long | None
diff --git a/samples/client/petstore/java/retrofit2rx/docs/FakeApi.md b/samples/client/petstore/java/retrofit2rx/docs/FakeApi.md
index 3eed01e889..3e052dea27 100644
--- a/samples/client/petstore/java/retrofit2rx/docs/FakeApi.md
+++ b/samples/client/petstore/java/retrofit2rx/docs/FakeApi.md
@@ -268,7 +268,7 @@ FakeApi apiInstance = new FakeApi();
 BigDecimal number = new BigDecimal(); // BigDecimal | None
 Double _double = 3.4D; // Double | None
 String patternWithoutDelimiter = "patternWithoutDelimiter_example"; // String | None
-byte[] _byte = _byte_example; // byte[] | None
+byte[] _byte = B; // byte[] | None
 Integer integer = 56; // Integer | None
 Integer int32 = 56; // Integer | None
 Long int64 = 789L; // Long | None
diff --git a/samples/client/petstore/java/retrofit2rx2/docs/FakeApi.md b/samples/client/petstore/java/retrofit2rx2/docs/FakeApi.md
index 3eed01e889..3e052dea27 100644
--- a/samples/client/petstore/java/retrofit2rx2/docs/FakeApi.md
+++ b/samples/client/petstore/java/retrofit2rx2/docs/FakeApi.md
@@ -268,7 +268,7 @@ FakeApi apiInstance = new FakeApi();
 BigDecimal number = new BigDecimal(); // BigDecimal | None
 Double _double = 3.4D; // Double | None
 String patternWithoutDelimiter = "patternWithoutDelimiter_example"; // String | None
-byte[] _byte = _byte_example; // byte[] | None
+byte[] _byte = B; // byte[] | None
 Integer integer = 56; // Integer | None
 Integer int32 = 56; // Integer | None
 Long int64 = 789L; // Long | None