diff --git a/.baseline/checkstyle/checkstyle.xml b/.baseline/checkstyle/checkstyle.xml
index adb6e5e07..2be3288d7 100644
--- a/.baseline/checkstyle/checkstyle.xml
+++ b/.baseline/checkstyle/checkstyle.xml
@@ -18,15 +18,6 @@
     <module name="NewlineAtEndOfFile"> <!-- Java Style Guide: Line ending: LF -->
         <property name="lineSeparator" value="lf"/>
     </module>
-    <module name="RegexpHeader">
-        <property name="header" value="^/\*$\n^ \* \(c\) Copyright \d{4} Palantir Technologies Inc\. All rights reserved\.$"/>
-        <property name="fileExtensions" value=".java,.ts"/>
-    </module>
-    <module name="RegexpMultiline"> <!-- Development Practices: Writing good unit tests -->
-        <property name="fileExtensions" value="java"/>
-        <property name="format" value="@VisibleForTesting\s+(protected|public)"/>
-        <property name="message" value="@VisibleForTesting members should be package-private."/>
-    </module>
     <module name="RegexpSingleline"> <!-- No reference needed as this is evident. -->
         <property name="format" value="&lt;&lt;&lt;&lt;&lt;&lt;&lt;"/>
         <property name="message" value="Found (&lt;&lt;&lt;&lt;&lt;&lt;&lt;), so it looks like you had a merge conflict that compiles. Please fix it."/>
@@ -56,6 +47,10 @@
     <module name="BeforeExecutionExclusionFileFilter">
         <property name="fileNamePattern" value="module\-info\.java$"/>
     </module>
+    <module name="LineLength"> <!-- Java Style Guide: No line-wrapping -->
+        <property name="max" value="120"/>
+        <property name="ignorePattern" value="^package.*|^import.*|a href|href|http://|https://|ftp://"/>
+    </module>
     <module name="TreeWalker">
         <module name="SuppressionCommentFilter"/> <!-- baseline-gradle: README.md -->
         <module name="SuppressionCommentFilter">
@@ -207,10 +202,6 @@
         </module>
         <module name="InnerAssignment"/> <!-- Java Coding Guidelines: Inner assignments: Not used -->
         <module name="LeftCurly"/> <!-- Java Style Guide: Nonempty blocks: K & R style -->
-        <module name="LineLength"> <!-- Java Style Guide: No line-wrapping -->
-            <property name="max" value="120"/>
-            <property name="ignorePattern" value="^package.*|^import.*|a href|href|http://|https://|ftp://"/>
-        </module>
         <module name="MemberName"> <!-- Java Style Guide: Non-constant field names -->
             <property name="format" value="^[a-z][a-zA-Z0-9]+$"/>
             <message key="name.invalidPattern" value="Member name ''{0}'' must match pattern ''{1}''."/>
@@ -376,6 +367,7 @@
         <module name="RegexpSinglelineJava">
             <property name="format" value="\/\/TODO|\/\/ TODO(?!\([^()\s]+\): )"/>
             <property name="message" value="TODO format: // TODO(#issue): explanation"/>
+            <property name="ignoreCase" value="true"/>
         </module>
         <module name="RegexpSinglelineJava">
             <property name="format" value="(void setUp\(\))|(void setup\(\))|(void setupStatic\(\))|(void setUpStatic\(\))|(void beforeTest\(\))|(void teardown\(\))|(void tearDown\(\))|(void beforeStatic\(\))|(void afterStatic\(\))"/>
@@ -383,11 +375,11 @@
         </module>
         <module name="RightCurly"> <!-- Java Style Guide: Nonempty blocks: K & R style -->
             <property name="option" value="same"/>
-            <property name="tokens" value="LITERAL_TRY, LITERAL_CATCH, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE, LITERAL_DO"/>
+            <property name="tokens" value="CLASS_DEF, METHOD_DEF, CTOR_DEF, LITERAL_TRY, LITERAL_CATCH, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE, LITERAL_DO"/>
         </module>
         <module name="RightCurly"> <!-- Java Style Guide: Nonempty blocks: K & R style -->
             <property name="option" value="alone"/>
-            <property name="tokens" value="CLASS_DEF, METHOD_DEF, CTOR_DEF, LITERAL_FOR, LITERAL_WHILE, STATIC_INIT, INSTANCE_INIT"/>
+            <property name="tokens" value="LITERAL_FOR, LITERAL_WHILE, STATIC_INIT, INSTANCE_INIT"/>
         </module>
         <module name="SeparatorWrap"> <!-- Java Style Guide: Where to break -->
             <property name="tokens" value="DOT"/>
@@ -410,7 +402,6 @@
             <message key="name.invalidPattern" value="Type name ''{0}'' must match pattern ''{1}''."/>
         </module>
         <module name="TypecastParenPad"/> <!-- Java Style Guide: Horizontal whitespace -->
-        <module name="UnnecessaryParentheses"/>
         <module name="UnusedImports"> <!-- Java Style Guide: No unused imports -->
             <property name="processJavadoc" value="true"/>
         </module>
@@ -441,11 +432,8 @@
         <module name="JavadocMethod"> <!-- Java Style Guide: Where Javadoc is used -->
             <property name="scope" value="public"/>
             <property name="allowMissingParamTags" value="true"/>
-            <property name="allowMissingThrowsTags" value="true"/>
             <property name="allowMissingReturnTag" value="true"/>
-            <property name="minLineCount" value="99999999"/>
             <property name="allowedAnnotations" value="Override, Test"/>
-            <property name="allowThrowsTagsForSubclasses" value="true"/>
         </module>
         <module name="JavadocStyle"/> <!-- Java Style Guide: Javadoc -->
         <module name="JavadocTagContinuationIndentation"> <!-- Java Style Guide: At-clauses -->
@@ -472,6 +460,9 @@
             <property name="format" value="^_?[a-z][a-zA-Z0-9]+$"/>
             <message key="name.invalidPattern" value="Parameter name ''{0}'' must match pattern ''{1}''."/>
         </module>
+        <module name="SummaryJavadocCheck"> <!-- Java Coding Guidelines: Javadoc -->
+            <property name="forbiddenSummaryFragments" value="^@return the *|^This method returns |^A [{]@code [a-zA-Z0-9]+[}]( is a )"/>
+        </module>
 
         <!-- Stricter checks end -->
     </module>
diff --git a/.baseline/eclipse/static/dotfile.settings/org.eclipse.jdt.ui.prefs b/.baseline/eclipse/static/dotfile.settings/org.eclipse.jdt.ui.prefs
index f2990d969..cd9ac9c75 100644
--- a/.baseline/eclipse/static/dotfile.settings/org.eclipse.jdt.ui.prefs
+++ b/.baseline/eclipse/static/dotfile.settings/org.eclipse.jdt.ui.prefs
@@ -8,9 +8,9 @@ org.eclipse.jdt.ui.ignorelowercasenames=true
 org.eclipse.jdt.ui.importorder=;
 org.eclipse.jdt.ui.javadoc=false
 org.eclipse.jdt.ui.keywordthis=false
-org.eclipse.jdt.ui.ondemandthreshold=99
+org.eclipse.jdt.ui.ondemandthreshold=999
 org.eclipse.jdt.ui.overrideannotation=true
-org.eclipse.jdt.ui.staticondemandthreshold=99
+org.eclipse.jdt.ui.staticondemandthreshold=999
 org.eclipse.jdt.ui.text.custom_code_templates=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?><templates><template autoinsert\="true" context\="gettercomment_context" deleted\="false" description\="Comment for getter method" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.gettercomment" name\="gettercomment">/**\n * @return the ${bare_field_name}\n */</template><template autoinsert\="true" context\="settercomment_context" deleted\="false" description\="Comment for setter method" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.settercomment" name\="settercomment">/**\n * @param ${param} the ${bare_field_name} to set\n */</template><template autoinsert\="true" context\="constructorcomment_context" deleted\="false" description\="Comment for created constructors" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.constructorcomment" name\="constructorcomment">/**\n * ${tags}\n */</template><template autoinsert\="false" context\="filecomment_context" deleted\="false" description\="Comment for created Java files" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.filecomment" name\="filecomment"/><template autoinsert\="true" context\="typecomment_context" deleted\="false" description\="Comment for created types" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.typecomment" name\="typecomment">/**\n * ${tags}\n */</template><template autoinsert\="false" context\="fieldcomment_context" deleted\="false" description\="Comment for fields" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.fieldcomment" name\="fieldcomment"/><template autoinsert\="true" context\="methodcomment_context" deleted\="false" description\="Comment for non-overriding methods" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.methodcomment" name\="methodcomment">/**\n * ${tags}\n */</template><template autoinsert\="true" context\="overridecomment_context" deleted\="false" description\="Comment for overriding methods" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.overridecomment" name\="overridecomment">/* (non-Javadoc)\n * ${see_to_overridden}\n */</template><template autoinsert\="true" context\="delegatecomment_context" deleted\="false" description\="Comment for delegate methods" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.delegatecomment" name\="delegatecomment">/**\n * ${tags}\n * ${see_to_target}\n */</template><template autoinsert\="false" context\="newtype_context" deleted\="false" description\="Newly created files" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.newtype" name\="newtype">/*\n * (c) Copyright ${year} Palantir Technologies Inc. All rights reserved.\n */\n\n${package_declaration}\n\n/**\n * \n */\n${typecomment}\n${type_declaration}</template><template autoinsert\="true" context\="classbody_context" deleted\="false" description\="Code in new class type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.classbody" name\="classbody">\n</template><template autoinsert\="true" context\="interfacebody_context" deleted\="false" description\="Code in new interface type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.interfacebody" name\="interfacebody">\n</template><template autoinsert\="true" context\="enumbody_context" deleted\="false" description\="Code in new enum type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.enumbody" name\="enumbody">\n</template><template autoinsert\="true" context\="annotationbody_context" deleted\="false" description\="Code in new annotation type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.annotationbody" name\="annotationbody">\n</template><template autoinsert\="false" context\="catchblock_context" deleted\="false" description\="Code in new catch blocks" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.catchblock" name\="catchblock">throw new RuntimeException(${exception_var});</template><template autoinsert\="false" context\="methodbody_context" deleted\="false" description\="Code in created method stubs" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.methodbody" name\="methodbody">${body_statement}</template><template autoinsert\="false" context\="constructorbody_context" deleted\="false" description\="Code in created constructor stubs" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.constructorbody" name\="constructorbody">${body_statement}</template><template autoinsert\="true" context\="getterbody_context" deleted\="false" description\="Code in created getters" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.getterbody" name\="getterbody">return ${field};</template><template autoinsert\="true" context\="setterbody_context" deleted\="false" description\="Code in created setters" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.setterbody" name\="setterbody">${field} \= ${param};</template></templates>
 sp_cleanup.add_default_serial_version_id=true
 sp_cleanup.add_generated_serial_version_id=false
diff --git a/.baseline/idea/intellij-java-palantir-style.xml b/.baseline/idea/intellij-java-palantir-style.xml
index 9aa48633a..945d8bad0 100644
--- a/.baseline/idea/intellij-java-palantir-style.xml
+++ b/.baseline/idea/intellij-java-palantir-style.xml
@@ -16,7 +16,7 @@
         <option name="BINARY_OPERATION_WRAP" value="1" />
         <option name="BLANK_LINES_AFTER_CLASS_HEADER" value="1" />
         <option name="CALL_PARAMETERS_WRAP" value="1" />
-        <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
+        <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="999" />
         <option name="DOWHILE_BRACE_FORCE" value="3" />
         <option name="EXTENDS_KEYWORD_WRAP" value="1" />
         <option name="EXTENDS_LIST_WRAP" value="1" />
@@ -30,9 +30,10 @@
             <package name="" static="false" withSubpackages="true" />
           </value>
         </option>
+        <option name="INSERT_INNER_CLASS_IMPORTS" value="true" />
         <GroovyCodeStyleSettings>
-          <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
-          <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
+          <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="999" />
+          <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="999" />
           <option name="PACKAGES_TO_USE_IMPORT_ON_DEMAND">
             <value />
           </option>
@@ -55,7 +56,7 @@
         <option name="KEEP_CONTROL_STATEMENT_IN_ONE_LINE" value="false" />
         <option name="METHOD_CALL_CHAIN_WRAP" value="1" />
         <option name="METHOD_PARAMETERS_WRAP" value="1" />
-        <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
+        <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="999" />
         <option name="OPTIMIZE_IMPORTS_ON_THE_FLY" value="true" />
         <option name="OTHER_INDENT_OPTIONS">
           <value>
diff --git a/build.gradle b/build.gradle
index 4f2da5dfa..856221017 100644
--- a/build.gradle
+++ b/build.gradle
@@ -9,7 +9,7 @@ buildscript {
         classpath 'com.github.jengelman.gradle.plugins:shadow:6.0.0'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.8.5'
         classpath 'com.netflix.nebula:nebula-publishing-plugin:17.3.2'
-        classpath 'com.palantir.baseline:gradle-baseline-java:3.0.0'
+        classpath 'com.palantir.baseline:gradle-baseline-java:3.41.0'
         classpath 'com.palantir.gradle.consistentversions:gradle-consistent-versions:1.25.0'
     }
 }
diff --git a/hadoop-crypto/src/main/java/com/palantir/crypto2/hadoop/DelegatingFileSystem.java b/hadoop-crypto/src/main/java/com/palantir/crypto2/hadoop/DelegatingFileSystem.java
index fbebd2237..c0b6da48d 100644
--- a/hadoop-crypto/src/main/java/com/palantir/crypto2/hadoop/DelegatingFileSystem.java
+++ b/hadoop-crypto/src/main/java/com/palantir/crypto2/hadoop/DelegatingFileSystem.java
@@ -34,7 +34,7 @@
  */
 public abstract class DelegatingFileSystem extends FilterFileSystem {
 
-    public DelegatingFileSystem(FileSystem delegate) {
+    protected DelegatingFileSystem(FileSystem delegate) {
         super(delegate);
         try {
             super.initialize(delegate.getUri(), delegate.getConf());
diff --git a/hadoop-crypto/src/test/java/com/palantir/crypto2/hadoop/PathConvertingFileSystemTest.java b/hadoop-crypto/src/test/java/com/palantir/crypto2/hadoop/PathConvertingFileSystemTest.java
index 233c1af26..54285b99b 100644
--- a/hadoop-crypto/src/test/java/com/palantir/crypto2/hadoop/PathConvertingFileSystemTest.java
+++ b/hadoop-crypto/src/test/java/com/palantir/crypto2/hadoop/PathConvertingFileSystemTest.java
@@ -54,7 +54,7 @@ public void before() {
         fileChecksum = mock(FileChecksum.class);
         when(delegate.getConf()).thenReturn(new Configuration());
         when(delegate.getUri()).thenReturn(URI.create("foo://bar"));
-        convertingFs = new PathConvertingFileSystem(delegate, p -> DELEGATE_PATH, p -> RETURN_PATH, u -> RETURN_URI);
+        convertingFs = new PathConvertingFileSystem(delegate, _p -> DELEGATE_PATH, _p -> RETURN_PATH, _u -> RETURN_URI);
     }
 
     @Test