From 4662ee7fe1296c80d248583488116e24b2345e9c Mon Sep 17 00:00:00 2001
From: Bilal Al-Shahwany <bilal.al-shahwany@harness.io>
Date: Tue, 1 Jul 2025 08:22:48 -0700
Subject: [PATCH 1/2] Fixed config property and test

---
 .../io/split/client/SplitClientConfig.java     |  4 ++--
 .../java/io/split/client/SplitFactoryImpl.java |  4 ++--
 .../io/split/client/SplitClientConfigTest.java |  8 ++++----
 .../io/split/client/SplitFactoryImplTest.java  | 18 +++++++++---------
 4 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/client/src/main/java/io/split/client/SplitClientConfig.java b/client/src/main/java/io/split/client/SplitClientConfig.java
index ef798847..ef75b2cc 100644
--- a/client/src/main/java/io/split/client/SplitClientConfig.java
+++ b/client/src/main/java/io/split/client/SplitClientConfig.java
@@ -314,7 +314,7 @@ public String proxyPassword() {
         return _proxyPassword;
     }
 
-    public ProxyRuntimeProvider proxyRuntimeStorage() {
+    public ProxyRuntimeProvider proxyRuntimeProvider() {
         return _proxyRuntimeProvider;
     }
 
@@ -816,7 +816,7 @@ public Builder proxyPassword(String proxyPassword) {
          * @param proxyRuntimeProvider
          * @return this builder
          */
-        public Builder proxyRuntimeStorage(ProxyRuntimeProvider proxyRuntimeProvider) {
+        public Builder proxyRuntimeProvider(ProxyRuntimeProvider proxyRuntimeProvider) {
             _proxyRuntimeProvider = proxyRuntimeProvider;
             return this;
         }
diff --git a/client/src/main/java/io/split/client/SplitFactoryImpl.java b/client/src/main/java/io/split/client/SplitFactoryImpl.java
index 64874c36..13d925ad 100644
--- a/client/src/main/java/io/split/client/SplitFactoryImpl.java
+++ b/client/src/main/java/io/split/client/SplitFactoryImpl.java
@@ -634,9 +634,9 @@ private static HttpClientBuilder setupProxy(HttpClientBuilder httpClientbuilder,
             httpClientbuilder.setDefaultCredentialsProvider(credsProvider);
         }
 
-        if (config.proxyRuntimeStorage() != null) {
+        if (config.proxyRuntimeProvider() != null) {
             _log.debug("Proxy setup using token");
-            httpClientbuilder.setDefaultCredentialsProvider(new HttpClientDynamicCredentials(config.proxyRuntimeStorage()));
+            httpClientbuilder.setDefaultCredentialsProvider(new HttpClientDynamicCredentials(config.proxyRuntimeProvider()));
         }
 
         return httpClientbuilder;
diff --git a/client/src/test/java/io/split/client/SplitClientConfigTest.java b/client/src/test/java/io/split/client/SplitClientConfigTest.java
index 25de5498..f72fb84f 100644
--- a/client/src/test/java/io/split/client/SplitClientConfigTest.java
+++ b/client/src/test/java/io/split/client/SplitClientConfigTest.java
@@ -283,9 +283,9 @@ public String getJwtToken() {
         config = SplitClientConfig.builder()
                 .proxyHost("proxy-host")
                 .proxyPort(8888)
-                .proxyRuntimeStorage(proxyRuntimeProvider)
+                .proxyRuntimeProvider(proxyRuntimeProvider)
                 .build();
-        Assert.assertEquals(proxyRuntimeProvider, config.proxyRuntimeStorage());
+        Assert.assertEquals(proxyRuntimeProvider, config.proxyRuntimeProvider());
 
         config = SplitClientConfig.builder()
                 .proxyHost("proxy-host")
@@ -319,7 +319,7 @@ public String getJwtToken() {
                 .proxyPort(8888)
                 .proxyUsername("user")
                 .proxyPassword("pass")
-                .proxyRuntimeStorage(proxyRuntimeProvider)
+                .proxyRuntimeProvider(proxyRuntimeProvider)
                 .build();
     }
 
@@ -346,7 +346,7 @@ public String getJwtToken() {
         SplitClientConfig.builder()
                 .proxyHost("proxy-host")
                 .proxyPort(8888)
-                .proxyRuntimeStorage(proxyRuntimeProvider)
+                .proxyRuntimeProvider(proxyRuntimeProvider)
                 .proxyMtlsAuth(new ProxyMTLSAuth.Builder().proxyP12File("path/to/file").proxyP12FilePassKey("pass-key").build())
                 .build();
     }
diff --git a/client/src/test/java/io/split/client/SplitFactoryImplTest.java b/client/src/test/java/io/split/client/SplitFactoryImplTest.java
index 008df7f4..072eed25 100644
--- a/client/src/test/java/io/split/client/SplitFactoryImplTest.java
+++ b/client/src/test/java/io/split/client/SplitFactoryImplTest.java
@@ -151,10 +151,10 @@ public void testFactoryInstantiationWithProxyCredentials() throws Exception {
 
         splitFactory.destroy();
     }
-/*
+
     @Test
     public void testFactoryInstantiationWithProxyToken() throws Exception {
-        class MyProxyRuntimeStorage implements ProxyRuntimeStorage {
+        class MyProxyRuntimeProvider implements ProxyRuntimeProvider {
             @Override
             public String getJwtToken() {
                 return "123456789";
@@ -170,7 +170,7 @@ public String getJwtToken() {
                 .authServiceURL(AUTH_SERVICE)
                 .setBlockUntilReadyTimeout(1000)
                 .proxyPort(6060)
-                .proxyRuntimeStorage(new MyProxyRuntimeStorage())
+                .proxyRuntimeProvider(new MyProxyRuntimeProvider())
                 .proxyHost(ENDPOINT)
                 .build();
         SplitFactoryImpl splitFactory2 = new SplitFactoryImpl(API_KEY, splitClientConfig);
@@ -187,17 +187,17 @@ public String getJwtToken() {
 
         Field credentialsProviderField2 = InternalHttp2.getDeclaredField("credentialsProvider");
         credentialsProviderField2.setAccessible(true);
-        BasicCredentialsProvider credentialsProvider2 = (BasicCredentialsProvider) credentialsProviderField2.get(InternalHttp2.cast(httpClientField2.get(client2)));
+        HttpClientDynamicCredentials credentialsProvider2 = (HttpClientDynamicCredentials) credentialsProviderField2.get(InternalHttp2.cast(httpClientField2.get(client2)));
 
-        Field credMapField2 = BasicCredentialsProvider.class.getDeclaredField("credMap");
-        credMapField2.setAccessible(true);
-        ConcurrentHashMap<AuthScope, BearerToken> credMap2 = (ConcurrentHashMap) credMapField2.get(credentialsProvider2);
+        Field proxyRuntimeField = HttpClientDynamicCredentials.class.getDeclaredField("_proxyRuntimeProvider");
+        proxyRuntimeField.setAccessible(true);
+        MyProxyRuntimeProvider proxyRuntime = (MyProxyRuntimeProvider) proxyRuntimeField.get(credentialsProvider2);
 
-        Assert.assertEquals("123456789", credMap2.entrySet().stream().iterator().next().getValue().getToken());
+        assertNotNull("123456789", proxyRuntime.getJwtToken());
 
         splitFactory2.destroy();
     }
-*/
+
     @Test
     public void testFactoryInstantiationWithProxyMtls() throws Exception {
         SplitClientConfig splitClientConfig = SplitClientConfig.builder()

From 61fe715491fb14ef91aa55aabc16fa82192c188f Mon Sep 17 00:00:00 2001
From: Bilal Al-Shahwany <bilal.al-shahwany@harness.io>
Date: Tue, 1 Jul 2025 08:54:01 -0700
Subject: [PATCH 2/2] Rename config field

---
 .../client/HttpClientDynamicCredentials.java  |   8 +-
 ...der.java => ProxyCredentialsProvider.java} |   2 +-
 .../io/split/client/SplitClientConfig.java    |  26 +-
 .../io/split/client/SplitFactoryImpl.java     |   4 +-
 .../split/client/SplitClientConfigTest.java   |  14 +-
 .../io/split/client/SplitFactoryImplTest.java |  10 +-
 testing/.github/CODEOWNERS                    |   1 +
 .../linter/checkstyle-suppressions.xml        |   9 +
 testing/.github/linter/google-java-style.xml  | 380 ++++++++++++++++++
 9 files changed, 421 insertions(+), 33 deletions(-)
 rename client/src/main/java/io/split/client/{ProxyRuntimeProvider.java => ProxyCredentialsProvider.java} (81%)
 create mode 100644 testing/.github/CODEOWNERS
 create mode 100644 testing/.github/linter/checkstyle-suppressions.xml
 create mode 100644 testing/.github/linter/google-java-style.xml

diff --git a/client/src/main/java/io/split/client/HttpClientDynamicCredentials.java b/client/src/main/java/io/split/client/HttpClientDynamicCredentials.java
index bdf0cff8..01a32362 100644
--- a/client/src/main/java/io/split/client/HttpClientDynamicCredentials.java
+++ b/client/src/main/java/io/split/client/HttpClientDynamicCredentials.java
@@ -7,10 +7,10 @@
 
 class HttpClientDynamicCredentials implements  org.apache.hc.client5.http.auth.CredentialsProvider {
 
-    private final ProxyRuntimeProvider _proxyRuntimeProvider;
+    private final ProxyCredentialsProvider _proxyCredentialsProvider;
 
-    public HttpClientDynamicCredentials (ProxyRuntimeProvider proxyRuntimeProvider) {
-        _proxyRuntimeProvider = proxyRuntimeProvider;
+    public HttpClientDynamicCredentials (ProxyCredentialsProvider proxyCredentialsProvider) {
+        _proxyCredentialsProvider = proxyCredentialsProvider;
     }
 
     @Override
@@ -18,7 +18,7 @@ public Credentials getCredentials(AuthScope authScope, HttpContext context) {
 
         // This Provider is invoked every time a request is made.
         // This should invoke a user-custom provider responsible for:
-        return new BearerToken(_proxyRuntimeProvider.getJwtToken());
+        return new BearerToken(_proxyCredentialsProvider.getJwtToken());
     }
 
 }
diff --git a/client/src/main/java/io/split/client/ProxyRuntimeProvider.java b/client/src/main/java/io/split/client/ProxyCredentialsProvider.java
similarity index 81%
rename from client/src/main/java/io/split/client/ProxyRuntimeProvider.java
rename to client/src/main/java/io/split/client/ProxyCredentialsProvider.java
index ca30c7f2..6fb595bc 100644
--- a/client/src/main/java/io/split/client/ProxyRuntimeProvider.java
+++ b/client/src/main/java/io/split/client/ProxyCredentialsProvider.java
@@ -1,6 +1,6 @@
 package io.split.client;
 
-public interface ProxyRuntimeProvider
+public interface ProxyCredentialsProvider
 {
     /**
      * Get the additional headers needed for all http operations
diff --git a/client/src/main/java/io/split/client/SplitClientConfig.java b/client/src/main/java/io/split/client/SplitClientConfig.java
index ef75b2cc..603d5ef1 100644
--- a/client/src/main/java/io/split/client/SplitClientConfig.java
+++ b/client/src/main/java/io/split/client/SplitClientConfig.java
@@ -91,7 +91,7 @@ public static class HttpScheme {
     private final HttpHost _proxy;
     private final String _proxyUsername;
     private final String _proxyPassword;
-    private final ProxyRuntimeProvider _proxyRuntimeProvider;
+    private final ProxyCredentialsProvider _proxyCredentialsProvider;
     private final ProxyMTLSAuth _proxyMtlsAuth;
 
     // To be set during startup
@@ -126,7 +126,7 @@ private SplitClientConfig(String endpoint,
                               HttpHost proxy,
                               String proxyUsername,
                               String proxyPassword,
-                              ProxyRuntimeProvider proxyRuntimeProvider,
+                              ProxyCredentialsProvider proxyCredentialsProvider,
                               ProxyMTLSAuth proxyMtlsAuth,
                               int eventsQueueSize,
                               long eventSendIntervalInMillis,
@@ -181,7 +181,7 @@ private SplitClientConfig(String endpoint,
         _proxy = proxy;
         _proxyUsername = proxyUsername;
         _proxyPassword = proxyPassword;
-        _proxyRuntimeProvider = proxyRuntimeProvider;
+        _proxyCredentialsProvider = proxyCredentialsProvider;
         _proxyMtlsAuth = proxyMtlsAuth;
         _eventsQueueSize = eventsQueueSize;
         _eventSendIntervalInMillis = eventSendIntervalInMillis;
@@ -314,8 +314,8 @@ public String proxyPassword() {
         return _proxyPassword;
     }
 
-    public ProxyRuntimeProvider proxyRuntimeProvider() {
-        return _proxyRuntimeProvider;
+    public ProxyCredentialsProvider proxyCredentialsProvider() {
+        return _proxyCredentialsProvider;
     }
 
     public ProxyMTLSAuth proxyMTLSAuth() {
@@ -463,7 +463,7 @@ public static final class Builder {
         private String _proxyScheme = HttpScheme.HTTP;
         private String _proxyUsername;
         private String _proxyPassword;
-        private ProxyRuntimeProvider _proxyRuntimeProvider;
+        private ProxyCredentialsProvider _proxyCredentialsProvider;
         private ProxyMTLSAuth _proxyMtlsAuth;
         private int _eventsQueueSize = 500;
         private long _eventSendIntervalInMillis = 30 * (long)1000;
@@ -813,11 +813,11 @@ public Builder proxyPassword(String proxyPassword) {
         /**
          * Set the token for authentication against the proxy (if proxy settings are enabled). (Optional).
          *
-         * @param proxyRuntimeProvider
+         * @param proxyCredentialsProvider
          * @return this builder
          */
-        public Builder proxyRuntimeProvider(ProxyRuntimeProvider proxyRuntimeProvider) {
-            _proxyRuntimeProvider = proxyRuntimeProvider;
+        public Builder proxyCredentialsProvider(ProxyCredentialsProvider proxyCredentialsProvider) {
+            _proxyCredentialsProvider = proxyCredentialsProvider;
             return this;
         }
 
@@ -1161,11 +1161,11 @@ private void verifyProxy() {
                 throw new IllegalArgumentException("Proxy scheme must be either http or https.");
             }
 
-            if (_proxyUsername == null && _proxyRuntimeProvider == null && _proxyMtlsAuth == null) {
+            if (_proxyUsername == null && _proxyCredentialsProvider == null && _proxyMtlsAuth == null) {
                 return;
             }
 
-            if (_proxyUsername != null && _proxyRuntimeProvider != null) {
+            if (_proxyUsername != null && _proxyCredentialsProvider != null) {
                 throw new IllegalArgumentException("Proxy user and Proxy token params are updated, set only one param.");
             }
 
@@ -1173,7 +1173,7 @@ private void verifyProxy() {
                 throw new IllegalArgumentException("Proxy user and Proxy mTLS params are updated, set only one param.");
             }
 
-            if (_proxyRuntimeProvider != null && _proxyMtlsAuth != null) {
+            if (_proxyCredentialsProvider != null && _proxyMtlsAuth != null) {
                 throw new IllegalArgumentException("Proxy token and Proxy mTLS params are updated, set only one param.");
             }
 
@@ -1223,7 +1223,7 @@ public SplitClientConfig build() {
                     proxy(),
                     _proxyUsername,
                     _proxyPassword,
-                        _proxyRuntimeProvider,
+                        _proxyCredentialsProvider,
                     _proxyMtlsAuth,
                     _eventsQueueSize,
                     _eventSendIntervalInMillis,
diff --git a/client/src/main/java/io/split/client/SplitFactoryImpl.java b/client/src/main/java/io/split/client/SplitFactoryImpl.java
index 13d925ad..4da2f503 100644
--- a/client/src/main/java/io/split/client/SplitFactoryImpl.java
+++ b/client/src/main/java/io/split/client/SplitFactoryImpl.java
@@ -634,9 +634,9 @@ private static HttpClientBuilder setupProxy(HttpClientBuilder httpClientbuilder,
             httpClientbuilder.setDefaultCredentialsProvider(credsProvider);
         }
 
-        if (config.proxyRuntimeProvider() != null) {
+        if (config.proxyCredentialsProvider() != null) {
             _log.debug("Proxy setup using token");
-            httpClientbuilder.setDefaultCredentialsProvider(new HttpClientDynamicCredentials(config.proxyRuntimeProvider()));
+            httpClientbuilder.setDefaultCredentialsProvider(new HttpClientDynamicCredentials(config.proxyCredentialsProvider()));
         }
 
         return httpClientbuilder;
diff --git a/client/src/test/java/io/split/client/SplitClientConfigTest.java b/client/src/test/java/io/split/client/SplitClientConfigTest.java
index f72fb84f..81ad9913 100644
--- a/client/src/test/java/io/split/client/SplitClientConfigTest.java
+++ b/client/src/test/java/io/split/client/SplitClientConfigTest.java
@@ -273,7 +273,7 @@ public void checkProxyParams() {
         Assert.assertEquals("user", config.proxyUsername());
         Assert.assertEquals("pass", config.proxyPassword());
 
-        ProxyRuntimeProvider proxyRuntimeProvider = new ProxyRuntimeProvider() {
+        ProxyCredentialsProvider proxyCredentialsProvider = new ProxyCredentialsProvider() {
             @Override
             public String getJwtToken() {
                 return "my-token";
@@ -283,9 +283,9 @@ public String getJwtToken() {
         config = SplitClientConfig.builder()
                 .proxyHost("proxy-host")
                 .proxyPort(8888)
-                .proxyRuntimeProvider(proxyRuntimeProvider)
+                .proxyCredentialsProvider(proxyCredentialsProvider)
                 .build();
-        Assert.assertEquals(proxyRuntimeProvider, config.proxyRuntimeProvider());
+        Assert.assertEquals(proxyCredentialsProvider, config.proxyCredentialsProvider());
 
         config = SplitClientConfig.builder()
                 .proxyHost("proxy-host")
@@ -307,7 +307,7 @@ public void cannotUseInvalidHttpScheme() {
 
     @Test(expected = IllegalArgumentException.class)
     public void cannotUseProxyTokenAndProxyUsername() {
-        ProxyRuntimeProvider proxyRuntimeProvider = new ProxyRuntimeProvider() {
+        ProxyCredentialsProvider proxyCredentialsProvider = new ProxyCredentialsProvider() {
             @Override
             public String getJwtToken() {
                 return "my-token";
@@ -319,7 +319,7 @@ public String getJwtToken() {
                 .proxyPort(8888)
                 .proxyUsername("user")
                 .proxyPassword("pass")
-                .proxyRuntimeProvider(proxyRuntimeProvider)
+                .proxyCredentialsProvider(proxyCredentialsProvider)
                 .build();
     }
 
@@ -336,7 +336,7 @@ public void cannotUseProxyUserAndProxyMtls() {
 
     @Test(expected = IllegalArgumentException.class)
     public void cannotUseProxyTokenAndProxyMtls() {
-        ProxyRuntimeProvider proxyRuntimeProvider = new ProxyRuntimeProvider() {
+        ProxyCredentialsProvider proxyCredentialsProvider = new ProxyCredentialsProvider() {
             @Override
             public String getJwtToken() {
                 return "my-token";
@@ -346,7 +346,7 @@ public String getJwtToken() {
         SplitClientConfig.builder()
                 .proxyHost("proxy-host")
                 .proxyPort(8888)
-                .proxyRuntimeProvider(proxyRuntimeProvider)
+                .proxyCredentialsProvider(proxyCredentialsProvider)
                 .proxyMtlsAuth(new ProxyMTLSAuth.Builder().proxyP12File("path/to/file").proxyP12FilePassKey("pass-key").build())
                 .build();
     }
diff --git a/client/src/test/java/io/split/client/SplitFactoryImplTest.java b/client/src/test/java/io/split/client/SplitFactoryImplTest.java
index 072eed25..1214b246 100644
--- a/client/src/test/java/io/split/client/SplitFactoryImplTest.java
+++ b/client/src/test/java/io/split/client/SplitFactoryImplTest.java
@@ -11,7 +11,6 @@
 import io.split.telemetry.synchronizer.TelemetrySynchronizer;
 import junit.framework.TestCase;
 import org.apache.hc.client5.http.auth.AuthScope;
-import org.apache.hc.client5.http.auth.BearerToken;
 import org.apache.hc.client5.http.auth.UsernamePasswordCredentials;
 import org.apache.hc.client5.http.impl.auth.BasicCredentialsProvider;
 import org.apache.hc.client5.http.impl.io.DefaultHttpClientConnectionOperator;
@@ -21,7 +20,6 @@
 import org.apache.hc.core5.http.config.Registry;
 import org.awaitility.Awaitility;
 import org.junit.Assert;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.mockito.Mockito;
 import static org.mockito.Mockito.when;
@@ -154,7 +152,7 @@ public void testFactoryInstantiationWithProxyCredentials() throws Exception {
 
     @Test
     public void testFactoryInstantiationWithProxyToken() throws Exception {
-        class MyProxyRuntimeProvider implements ProxyRuntimeProvider {
+        class MyProxyCredentialsProvider implements ProxyCredentialsProvider {
             @Override
             public String getJwtToken() {
                 return "123456789";
@@ -170,7 +168,7 @@ public String getJwtToken() {
                 .authServiceURL(AUTH_SERVICE)
                 .setBlockUntilReadyTimeout(1000)
                 .proxyPort(6060)
-                .proxyRuntimeProvider(new MyProxyRuntimeProvider())
+                .proxyCredentialsProvider(new MyProxyCredentialsProvider())
                 .proxyHost(ENDPOINT)
                 .build();
         SplitFactoryImpl splitFactory2 = new SplitFactoryImpl(API_KEY, splitClientConfig);
@@ -189,9 +187,9 @@ public String getJwtToken() {
         credentialsProviderField2.setAccessible(true);
         HttpClientDynamicCredentials credentialsProvider2 = (HttpClientDynamicCredentials) credentialsProviderField2.get(InternalHttp2.cast(httpClientField2.get(client2)));
 
-        Field proxyRuntimeField = HttpClientDynamicCredentials.class.getDeclaredField("_proxyRuntimeProvider");
+        Field proxyRuntimeField = HttpClientDynamicCredentials.class.getDeclaredField("_proxyCredentialsProvider");
         proxyRuntimeField.setAccessible(true);
-        MyProxyRuntimeProvider proxyRuntime = (MyProxyRuntimeProvider) proxyRuntimeField.get(credentialsProvider2);
+        MyProxyCredentialsProvider proxyRuntime = (MyProxyCredentialsProvider) proxyRuntimeField.get(credentialsProvider2);
 
         assertNotNull("123456789", proxyRuntime.getJwtToken());
 
diff --git a/testing/.github/CODEOWNERS b/testing/.github/CODEOWNERS
new file mode 100644
index 00000000..9e319810
--- /dev/null
+++ b/testing/.github/CODEOWNERS
@@ -0,0 +1 @@
+* @splitio/sdk
diff --git a/testing/.github/linter/checkstyle-suppressions.xml b/testing/.github/linter/checkstyle-suppressions.xml
new file mode 100644
index 00000000..81d23539
--- /dev/null
+++ b/testing/.github/linter/checkstyle-suppressions.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+
+<!DOCTYPE suppressions PUBLIC
+        "-//Checkstyle//DTD SuppressionFilter Configuration 1.2//EN"
+        "https://checkstyle.org/dtds/suppressions_1_2.dtd">
+
+<suppressions>
+    <suppress checks="LineLength" files=".*(test|it)[\\/]"/>
+</suppressions>
\ No newline at end of file
diff --git a/testing/.github/linter/google-java-style.xml b/testing/.github/linter/google-java-style.xml
new file mode 100644
index 00000000..e885305e
--- /dev/null
+++ b/testing/.github/linter/google-java-style.xml
@@ -0,0 +1,380 @@
+<?xml version="1.0"?>
+<!DOCTYPE module PUBLIC
+        "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
+        "https://checkstyle.org/dtds/configuration_1_3.dtd">
+
+<!--
+    Checkstyle configuration that checks the Google coding conventions from Google Java Style
+    that can be found at https://google.github.io/styleguide/javaguide.html
+
+    Checkstyle is very configurable. Be sure to read the documentation at
+    http://checkstyle.org (or in your downloaded distribution).
+
+    To completely disable a check, just comment it out or delete it from the file.
+    To suppress certain violations please review suppression filters.
+
+    Authors: Max Vetrenko, Ruslan Diachenko, Roman Ivanov.
+ -->
+
+<module name="Checker">
+    <property name="charset" value="UTF-8"/>
+
+    <property name="severity" value="warning"/>
+
+    <property name="fileExtensions" value="java, properties, xml"/>
+    <!-- Excludes all 'module-info.java' files              -->
+    <!-- See https://checkstyle.org/filefilters/index.html -->
+    <module name="BeforeExecutionExclusionFileFilter">
+        <property name="fileNamePattern" value="module\-info\.java$"/>
+    </module>
+    <!-- https://checkstyle.org/filters/suppressionfilter.html -->
+    <module name="SuppressionFilter">
+        <property name="file" value="${org.checkstyle.google.suppressionfilter.config}"
+                  default="checkstyle-suppressions.xml" />
+        <property name="optional" value="true"/>
+    </module>
+
+    <!-- Checks for whitespace                               -->
+    <!-- See http://checkstyle.org/checks/whitespace/index.html -->
+    <module name="FileTabCharacter">
+        <property name="eachLine" value="true"/>
+    </module>
+
+    <module name="LineLength">
+        <property name="fileExtensions" value="java"/>
+        <property name="max" value="150"/>
+        <property name="ignorePattern" value="^package.*|^import.*|a href|href|http://|https://|ftp://"/>
+    </module>
+
+    <module name="TreeWalker">
+        <!--<module name="OuterTypeFilename"/>
+        <module name="IllegalTokenText">
+            <property name="tokens" value="STRING_LITERAL, CHAR_LITERAL"/>
+            <property name="format"
+                      value="\\u00(09|0(a|A)|0(c|C)|0(d|D)|22|27|5(C|c))|\\(0(10|11|12|14|15|42|47)|134)"/>
+            <property name="message"
+                      value="Consider using special escape sequence instead of octal value or Unicode escaped value."/>
+        </module>-->
+        <!--<module name="AvoidEscapedUnicodeCharacters">
+            <property name="allowEscapesForControlCharacters" value="true"/>
+            <property name="allowByTailComment" value="true"/>
+            <property name="allowNonPrintableEscapes" value="true"/>
+        </module>-->
+        <!--<module name="AvoidStarImport"/>
+        <module name="OneTopLevelClass"/>-->
+        <!--<module name="NoLineWrap">
+            <property name="tokens" value="PACKAGE_DEF, IMPORT, STATIC_IMPORT"/>
+        </module>-->
+        <!--<module name="EmptyBlock">
+            <property name="option" value="TEXT"/>
+            <property name="tokens"
+                      value="LITERAL_TRY, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE"/>
+        </module>-->
+        <!--<module name="NeedBraces">
+            <property name="tokens"
+                      value="LITERAL_DO, LITERAL_ELSE, LITERAL_FOR, LITERAL_IF, LITERAL_WHILE"/>
+        </module>-->
+        <!--<module name="LeftCurly">
+            <property name="tokens"
+                      value="ANNOTATION_DEF, CLASS_DEF, CTOR_DEF, ENUM_CONSTANT_DEF, ENUM_DEF,
+                    INTERFACE_DEF, LAMBDA, LITERAL_CASE, LITERAL_CATCH, LITERAL_DEFAULT,
+                    LITERAL_DO, LITERAL_ELSE, LITERAL_FINALLY, LITERAL_FOR, LITERAL_IF,
+                    LITERAL_SYNCHRONIZED, LITERAL_TRY, LITERAL_WHILE, METHOD_DEF,
+                    OBJBLOCK, STATIC_INIT, RECORD_DEF, COMPACT_CTOR_DEF"/>
+        </module>-->
+        <!--<module name="RightCurly">
+            <property name="id" value="RightCurlySame"/>
+            <property name="tokens"
+                      value="LITERAL_TRY, LITERAL_CATCH, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE,
+                    LITERAL_DO"/>
+        </module>-->
+        <!--<module name="RightCurly">
+            <property name="id" value="RightCurlyAlone"/>
+            <property name="option" value="alone"/>
+            <property name="tokens"
+                      value="CLASS_DEF, METHOD_DEF, CTOR_DEF, LITERAL_FOR, LITERAL_WHILE, STATIC_INIT,
+                    INSTANCE_INIT, ANNOTATION_DEF, ENUM_DEF, INTERFACE_DEF, RECORD_DEF,
+                    COMPACT_CTOR_DEF"/>
+        </module>-->
+        <!--<module name="SuppressionXpathSingleFilter">
+            &lt;!&ndash; suppresion is required till https://github.com/checkstyle/checkstyle/issues/7541 &ndash;&gt;
+            <property name="id" value="RightCurlyAlone"/>
+            <property name="query" value="//RCURLY[parent::SLIST[count(./*)=1]
+                                     or preceding-sibling::*[last()][self::LCURLY]]"/>
+        </module>-->
+        <!--<module name="WhitespaceAfter">
+            <property name="tokens"
+                      value="COMMA, SEMI, TYPECAST, LITERAL_IF, LITERAL_ELSE, LITERAL_RETURN,
+                    LITERAL_WHILE, LITERAL_DO, LITERAL_FOR, LITERAL_FINALLY, DO_WHILE, ELLIPSIS,
+                    LITERAL_SYNCHRONIZED, LITERAL_TRY, LITERAL_CATCH, LAMBDA,
+                    LITERAL_YIELD, LITERAL_CASE"/>
+        </module>-->
+        <!--<module name="WhitespaceAround">
+            <property name="allowEmptyConstructors" value="true"/>
+            <property name="allowEmptyLambdas" value="true"/>
+            <property name="allowEmptyMethods" value="true"/>
+            <property name="allowEmptyTypes" value="true"/>
+            <property name="allowEmptyLoops" value="true"/>
+            <property name="ignoreEnhancedForColon" value="false"/>
+            <property name="tokens"
+                      value="ASSIGN, BAND, BAND_ASSIGN, BOR, BOR_ASSIGN, BSR, BSR_ASSIGN, BXOR,
+                    BXOR_ASSIGN, COLON, DIV, DIV_ASSIGN, DO_WHILE, EQUAL, GE, GT, LAMBDA, LAND,
+                    LCURLY, LE, LITERAL_CATCH, LITERAL_DO, LITERAL_ELSE, LITERAL_FINALLY,
+                    LITERAL_FOR, LITERAL_IF, LITERAL_RETURN, LITERAL_SYNCHRONIZED,
+                    LITERAL_TRY, LITERAL_WHILE, LOR, LT, MINUS, MINUS_ASSIGN, MOD, MOD_ASSIGN,
+                    NOT_EQUAL, PLUS, PLUS_ASSIGN, QUESTION, RCURLY, SL, SLIST, SL_ASSIGN, SR,
+                    SR_ASSIGN, STAR, STAR_ASSIGN, LITERAL_ASSERT, TYPE_EXTENSION_AND"/>
+            <message key="ws.notFollowed"
+                     value="WhitespaceAround: ''{0}'' is not followed by whitespace. Empty blocks
+               may only be represented as '{}' when not part of a multi-block statement (4.1.3)"/>
+            <message key="ws.notPreceded"
+                     value="WhitespaceAround: ''{0}'' is not preceded with whitespace."/>
+        </module>-->
+        <!--<module name="OneStatementPerLine"/>
+        <module name="MultipleVariableDeclarations"/>
+        <module name="ArrayTypeStyle"/>
+        <module name="MissingSwitchDefault"/>
+        <module name="FallThrough"/>
+        <module name="UpperEll"/>
+        <module name="ModifierOrder"/>-->
+        <!--<module name="EmptyLineSeparator">
+            <property name="tokens"
+                      value="PACKAGE_DEF, IMPORT, STATIC_IMPORT, CLASS_DEF, INTERFACE_DEF, ENUM_DEF,
+                    STATIC_INIT, INSTANCE_INIT, METHOD_DEF, CTOR_DEF, VARIABLE_DEF, RECORD_DEF,
+                    COMPACT_CTOR_DEF"/>
+            <property name="allowNoEmptyLineBetweenFields" value="true"/>
+        </module>-->
+        <!--<module name="SeparatorWrap">
+            <property name="id" value="SeparatorWrapDot"/>
+            <property name="tokens" value="DOT"/>
+            <property name="option" value="nl"/>
+        </module>-->
+        <!--<module name="SeparatorWrap">
+            <property name="id" value="SeparatorWrapComma"/>
+            <property name="tokens" value="COMMA"/>
+            <property name="option" value="EOL"/>
+        </module>-->
+        <!--<module name="SeparatorWrap">
+            &lt;!&ndash; ELLIPSIS is EOL until https://github.com/google/styleguide/issues/259 &ndash;&gt;
+            <property name="id" value="SeparatorWrapEllipsis"/>
+            <property name="tokens" value="ELLIPSIS"/>
+            <property name="option" value="EOL"/>
+        </module>-->
+        <!--<module name="SeparatorWrap">
+            &lt;!&ndash; ARRAY_DECLARATOR is EOL until https://github.com/google/styleguide/issues/258 &ndash;&gt;
+            <property name="id" value="SeparatorWrapArrayDeclarator"/>
+            <property name="tokens" value="ARRAY_DECLARATOR"/>
+            <property name="option" value="EOL"/>
+        </module>-->
+        <!--<module name="SeparatorWrap">
+            <property name="id" value="SeparatorWrapMethodRef"/>
+            <property name="tokens" value="METHOD_REF"/>
+            <property name="option" value="nl"/>
+        </module>-->
+        <!--<module name="PackageName">
+            <property name="format" value="^[a-z]+(\.[a-z][a-z0-9]*)*$"/>
+            <message key="name.invalidPattern"
+                     value="Package name ''{0}'' must match pattern ''{1}''."/>
+        </module>-->
+        <!--<module name="TypeName">
+            <property name="tokens" value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF,
+                    ANNOTATION_DEF, RECORD_DEF"/>
+            <message key="name.invalidPattern"
+                     value="Type name ''{0}'' must match pattern ''{1}''."/>
+        </module>-->
+        <!--<module name="MemberName">
+            <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9]*$"/>
+            <message key="name.invalidPattern"
+                     value="Member name ''{0}'' must match pattern ''{1}''."/>
+        </module>-->
+        <!--<module name="ParameterName">
+            <property name="format" value="^[a-z]([a-z0-9][a-zA-Z0-9]*)?$"/>
+            <message key="name.invalidPattern"
+                     value="Parameter name ''{0}'' must match pattern ''{1}''."/>
+        </module>-->
+        <!--<module name="LambdaParameterName">
+            <property name="format" value="^[a-z]([a-z0-9][a-zA-Z0-9]*)?$"/>
+            <message key="name.invalidPattern"
+                     value="Lambda parameter name ''{0}'' must match pattern ''{1}''."/>
+        </module>-->
+        <!--<module name="CatchParameterName">
+            <property name="format" value="^[a-z]([a-z0-9][a-zA-Z0-9]*)?$"/>
+            <message key="name.invalidPattern"
+                     value="Catch parameter name ''{0}'' must match pattern ''{1}''."/>
+        </module>-->
+        <!--<module name="LocalVariableName">
+            <property name="format" value="^[a-z]([a-z0-9][a-zA-Z0-9]*)?$"/>
+            <message key="name.invalidPattern"
+                     value="Local variable name ''{0}'' must match pattern ''{1}''."/>
+        </module>-->
+        <!--<module name="PatternVariableName">
+            <property name="format" value="^[a-z]([a-z0-9][a-zA-Z0-9]*)?$"/>
+            <message key="name.invalidPattern"
+                     value="Pattern variable name ''{0}'' must match pattern ''{1}''."/>
+        </module>-->
+        <!--<module name="ClassTypeParameterName">
+            <property name="format" value="(^[A-Z][0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>
+            <message key="name.invalidPattern"
+                     value="Class type name ''{0}'' must match pattern ''{1}''."/>
+        </module>-->
+        <!--<module name="RecordComponentName">
+            <property name="format" value="^[a-z]([a-z0-9][a-zA-Z0-9]*)?$"/>
+            <message key="name.invalidPattern"
+                     value="Record component name ''{0}'' must match pattern ''{1}''."/>
+        </module>-->
+        <!--<module name="RecordTypeParameterName">
+            <property name="format" value="(^[A-Z][0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>
+            <message key="name.invalidPattern"
+                     value="Record type name ''{0}'' must match pattern ''{1}''."/>
+        </module>-->
+        <!--<module name="MethodTypeParameterName">
+            <property name="format" value="(^[A-Z][0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>
+            <message key="name.invalidPattern"
+                     value="Method type name ''{0}'' must match pattern ''{1}''."/>
+        </module>-->
+        <!--<module name="InterfaceTypeParameterName">
+            <property name="format" value="(^[A-Z][0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>
+            <message key="name.invalidPattern"
+                     value="Interface type name ''{0}'' must match pattern ''{1}''."/>
+        </module>-->
+        <!--<module name="NoFinalizer"/>-->
+        <!--<module name="GenericWhitespace">
+            <message key="ws.followed"
+                     value="GenericWhitespace ''{0}'' is followed by whitespace."/>
+            <message key="ws.preceded"
+                     value="GenericWhitespace ''{0}'' is preceded with whitespace."/>
+            <message key="ws.illegalFollow"
+                     value="GenericWhitespace ''{0}'' should followed by whitespace."/>
+            <message key="ws.notPreceded"
+                     value="GenericWhitespace ''{0}'' is not preceded with whitespace."/>
+        </module>-->
+        <!--<module name="Indentation">
+            <property name="basicOffset" value="2"/>
+            <property name="braceAdjustment" value="2"/>
+            <property name="caseIndent" value="2"/>
+            <property name="throwsIndent" value="4"/>
+            <property name="lineWrappingIndentation" value="4"/>
+            <property name="arrayInitIndent" value="2"/>
+        </module>-->
+        <!--<module name="AbbreviationAsWordInName">
+            <property name="ignoreFinal" value="false"/>
+            <property name="allowedAbbreviationLength" value="0"/>
+            <property name="tokens"
+                      value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, ANNOTATION_DEF, ANNOTATION_FIELD_DEF,
+                    PARAMETER_DEF, VARIABLE_DEF, METHOD_DEF, PATTERN_VARIABLE_DEF, RECORD_DEF,
+                    RECORD_COMPONENT_DEF"/>
+        </module>-->
+        <!--<module name="NoWhitespaceBeforeCaseDefaultColon"/>
+        <module name="OverloadMethodsDeclarationOrder"/>
+        <module name="VariableDeclarationUsageDistance"/>-->
+        <!--<module name="CustomImportOrder">
+            <property name="sortImportsInGroupAlphabetically" value="true"/>
+            <property name="separateLineBetweenGroups" value="true"/>
+            <property name="customImportOrderRules" value="STATIC###THIRD_PARTY_PACKAGE"/>
+            <property name="tokens" value="IMPORT, STATIC_IMPORT, PACKAGE_DEF"/>
+        </module>-->
+        <!--<module name="MethodParamPad">
+            <property name="tokens"
+                      value="CTOR_DEF, LITERAL_NEW, METHOD_CALL, METHOD_DEF,
+                    SUPER_CTOR_CALL, ENUM_CONSTANT_DEF, RECORD_DEF"/>
+        </module>-->
+        <!--<module name="NoWhitespaceBefore">
+            <property name="tokens"
+                      value="COMMA, SEMI, POST_INC, POST_DEC, DOT,
+                    LABELED_STAT, METHOD_REF"/>
+            <property name="allowLineBreaks" value="true"/>
+        </module>-->
+        <!--<module name="ParenPad">
+            <property name="tokens"
+                      value="ANNOTATION, ANNOTATION_FIELD_DEF, CTOR_CALL, CTOR_DEF, DOT, ENUM_CONSTANT_DEF,
+                    EXPR, LITERAL_CATCH, LITERAL_DO, LITERAL_FOR, LITERAL_IF, LITERAL_NEW,
+                    LITERAL_SYNCHRONIZED, LITERAL_WHILE, METHOD_CALL,
+                    METHOD_DEF, QUESTION, RESOURCE_SPECIFICATION, SUPER_CTOR_CALL, LAMBDA,
+                    RECORD_DEF"/>
+        </module>-->
+        <!--<module name="OperatorWrap">
+            <property name="option" value="NL"/>
+            <property name="tokens"
+                      value="BAND, BOR, BSR, BXOR, DIV, EQUAL, GE, GT, LAND, LE, LITERAL_INSTANCEOF, LOR,
+                    LT, MINUS, MOD, NOT_EQUAL, PLUS, QUESTION, SL, SR, STAR, METHOD_REF,
+                    TYPE_EXTENSION_AND "/>
+        </module>-->
+        <!--<module name="AnnotationLocation">
+            <property name="id" value="AnnotationLocationMostCases"/>
+            <property name="tokens"
+                      value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, METHOD_DEF, CTOR_DEF,
+                      RECORD_DEF, COMPACT_CTOR_DEF"/>
+        </module>-->
+        <!--<module name="AnnotationLocation">
+            <property name="id" value="AnnotationLocationVariables"/>
+            <property name="tokens" value="VARIABLE_DEF"/>
+            <property name="allowSamelineMultipleAnnotations" value="true"/>
+        </module>-->
+        <!--<module name="NonEmptyAtclauseDescription"/>
+        <module name="InvalidJavadocPosition"/>
+        <module name="JavadocTagContinuationIndentation"/>-->
+        <!--<module name="SummaryJavadoc">
+            <property name="forbiddenSummaryFragments"
+                      value="^@return the *|^This method returns |^A [{]@code [a-zA-Z0-9]+[}]( is a )"/>
+        </module>-->
+        <!--<module name="JavadocParagraph"/>
+        <module name="RequireEmptyLineBeforeBlockTagGroup"/>-->
+        <!--<module name="AtclauseOrder">
+            <property name="tagOrder" value="@param, @return, @throws, @deprecated"/>
+            <property name="target"
+                      value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, METHOD_DEF, CTOR_DEF, VARIABLE_DEF"/>
+        </module>-->
+        <!--<module name="JavadocMethod">
+            <property name="accessModifiers" value="public"/>
+            <property name="allowMissingParamTags" value="true"/>
+            <property name="allowMissingReturnTag" value="true"/>
+            <property name="allowedAnnotations" value="Override, Test"/>
+            <property name="tokens" value="METHOD_DEF, CTOR_DEF, ANNOTATION_FIELD_DEF, COMPACT_CTOR_DEF"/>
+        </module>-->
+        <!--<module name="MissingJavadocMethod">
+            <property name="scope" value="public"/>
+            <property name="minLineCount" value="2"/>
+            <property name="allowedAnnotations" value="Override, Test"/>
+            <property name="tokens" value="METHOD_DEF, CTOR_DEF, ANNOTATION_FIELD_DEF,
+                                   COMPACT_CTOR_DEF"/>
+        </module>-->
+        <!--<module name="MissingJavadocType">
+            <property name="scope" value="protected"/>
+            <property name="tokens"
+                      value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF,
+                      RECORD_DEF, ANNOTATION_DEF"/>
+            <property name="excludeScope" value="nothing"/>
+        </module>-->
+        <!--<module name="MethodName">
+            <property name="format" value="^[a-z][a-z0-9]\w*$"/>
+            <message key="name.invalidPattern"
+                     value="Method name ''{0}'' must match pattern ''{1}''."/>
+        </module>-->
+        <!--<module name="SingleLineJavadoc"/>-->
+        <!--<module name="EmptyCatchBlock">
+            <property name="exceptionVariableName" value="expected"/>
+        </module>-->
+        <!--<module name="CommentsIndentation">
+            <property name="tokens" value="SINGLE_LINE_COMMENT, BLOCK_COMMENT_BEGIN"/>
+        </module>-->
+        <!-- https://checkstyle.org/filters/suppressionxpathfilter.html -->
+        <!--<module name="SuppressionXpathFilter">
+            <property name="file" value="${org.checkstyle.google.suppressionxpathfilter.config}"
+                      default="checkstyle-xpath-suppressions.xml" />
+            <property name="optional" value="true"/>
+        </module>-->
+        <!--<module name="SuppressWarningsHolder" />-->
+        <!--<module name="SuppressionCommentFilter">
+            <property name="offCommentFormat" value="CHECKSTYLE.OFF\: ([\w\|]+)" />
+            <property name="onCommentFormat" value="CHECKSTYLE.ON\: ([\w\|]+)" />
+            <property name="checkFormat" value="$1" />
+        </module>-->
+        <!--<module name="SuppressWithNearbyCommentFilter">
+            <property name="commentFormat" value="CHECKSTYLE.SUPPRESS\: ([\w\|]+)"/>
+            &lt;!&ndash; $1 refers to the first match group in the regex defined in commentFormat &ndash;&gt;
+            <property name="checkFormat" value="$1"/>
+            &lt;!&ndash; The check is suppressed in the next line of code after the comment &ndash;&gt;
+            <property name="influenceFormat" value="1"/>
+        </module>-->
+    </module>
+</module>
\ No newline at end of file