Visibility housekeeping: reduce to least access level.

retrofit/src/main/java/retrofit2/RequestBuilder.java

@@ -88,7 +88,7 @@ final class RequestBuilder {
     relativeUrl = relativeUrl.replace("{" + name + "}", canonicalize(value, encoded));
   }
 
-  static String canonicalize(String input, boolean alreadyEncoded) {
+  private static String canonicalize(String input, boolean alreadyEncoded) {
     int codePoint;
     for (int i = 0, limit = input.length(); i < limit; i += Character.charCount(codePoint)) {
       codePoint = input.codePointAt(i);
@@ -107,7 +107,8 @@ final class RequestBuilder {
     return input;
   }
 
-  static void canonicalize(Buffer out, String input, int pos, int limit, boolean alreadyEncoded) {
+  private static void canonicalize(Buffer out, String input, int pos, int limit,
+      boolean alreadyEncoded) {
     Buffer utf8Buffer = null; // Lazily allocated.
     int codePoint;
     for (int i = pos; i < limit; i += Character.charCount(codePoint)) {

retrofit/src/main/java/retrofit2/RequestFactoryParser.java

@@ -531,7 +531,7 @@ final class RequestFactoryParser {
     return patterns;
   }
 
-  static Class<?> boxIfPrimitive(Class<?> type) {
+  private static Class<?> boxIfPrimitive(Class<?> type) {
     if (boolean.class == type) return Boolean.class;
     if (byte.class == type) return Byte.class;
     if (char.class == type) return Character.class;

retrofit/src/main/java/retrofit2/Utils.java

@@ -89,7 +89,7 @@ final class Utils {
     }
   }
 
-  public static Type getParameterUpperBound(int index, ParameterizedType type) {
+  static Type getParameterUpperBound(int index, ParameterizedType type) {
     Type[] types = type.getActualTypeArguments();
     if (types.length <= index) {
       throw new IllegalArgumentException(
@@ -102,7 +102,7 @@ final class Utils {
     return paramType;
   }
 
-  public static boolean hasUnresolvableType(Type type) {
+  static boolean hasUnresolvableType(Type type) {
     if (type instanceof Class<?>) {
       return false;
     }
@@ -130,7 +130,7 @@ final class Utils {
   }
 
   // This method is copyright 2008 Google Inc. and is taken from Gson under the Apache 2.0 license.
-  public static Class<?> getRawType(Type type) {
+  static Class<?> getRawType(Type type) {
     if (type instanceof Class<?>) {
       // Type is a normal class.
       return (Class<?>) type;