supplemental: add missing javadocs (checkstyle#10818)

src/main/java/com/puppycrawl/tools/checkstyle/JavaAstVisitor.java

@@ -2127,6 +2127,11 @@ private void advanceChildToEnd() {
             }
         }
 
+        /**
+         * Returns the root node.
+         *
+         * @return the root node
+         */
         private DetailAstImpl getRoot() {
             return root;
         }

src/main/java/com/puppycrawl/tools/checkstyle/checks/TranslationCheck.java

@@ -665,18 +665,38 @@ private static class ResourceBundle {
             files = new HashSet<>();
         }
 
+        /**
+         * Returns the bundle base name.
+         *
+         * @return the bundle base name
+         */
         public String getBaseName() {
             return baseName;
         }
 
+        /**
+         * Returns the common path of files which are included in the resource bundle.
+         *
+         * @return the common path of files
+         */
         public String getPath() {
             return path;
         }
 
+        /**
+         * Returns the common extension of files which are included in the resource bundle.
+         *
+         * @return the common extension of files
+         */
         public String getExtension() {
             return extension;
         }
 
+        /**
+         * Returns the set of files which are included in the resource bundle.
+         *
+         * @return the set of files
+         */
         public Set<File> getFiles() {
             return Collections.unmodifiableSet(files);
         }

src/main/java/com/puppycrawl/tools/checkstyle/checks/coding/RequireThisCheck.java

@@ -1307,14 +1307,29 @@ private void addIdent(DetailAST identToAdd) {
             varIdents.add(identToAdd);
         }
 
+        /**
+         * Returns the parent frame.
+         *
+         * @return the parent frame
+         */
         protected AbstractFrame getParent() {
             return parent;
         }
 
+        /**
+         * Returns the name identifier text.
+         *
+         * @return the name identifier text
+         */
         protected String getFrameName() {
             return frameNameIdent.getText();
         }
 
+        /**
+         * Returns the name identifier token.
+         *
+         * @return the name identifier token
+         */
         public DetailAST getFrameNameIdent() {
             return frameNameIdent;
         }

src/main/java/com/puppycrawl/tools/checkstyle/checks/naming/AccessModifierOption.java

@@ -43,6 +43,11 @@ public String toString() {
         return getName();
     }
 
+    /**
+     * Returns the access modifier name.
+     *
+     * @return the access modifier name
+     */
     private String getName() {
         return name().toLowerCase(Locale.ENGLISH);
     }

src/main/java/com/puppycrawl/tools/checkstyle/checks/sizes/MethodCountCheck.java

@@ -381,8 +381,8 @@ private static class MethodCounter {
         /** Maintains the counts. */
         private final Map<Scope, Integer> counts = new EnumMap<>(Scope.class);
         /**
-         * The surrounding scope definition (class, enum, etc.) which the method counts are connect
-         * to.
+         * The surrounding scope definition (class, enum, etc.) which the method counts are
+         * connected to.
          */
         private final DetailAST scopeDefinition;
         /** Tracks the total. */
@@ -423,6 +423,12 @@ private int value(Scope scope) {
             return value;
         }
 
+        /**
+         * Returns the surrounding scope definition (class, enum, etc.) which the method counts
+         * are connected to.
+         *
+         * @return the surrounding scope definition
+         */
         private DetailAST getScopeDefinition() {
             return scopeDefinition;
         }