Use shared container to manage imports/exports.

src/json.js

Index: src/json.js
diff --git a/src/json.js b/src/json.js
index 2e6bbbbce2d2bf6217a5ea61700d61f8eb3a5635..d62bb1839ed4695165d9785e878c398cd17a2b36 100644
--- a/src/json.js
+++ b/src/json.js
@@ -4,7 +4,7 @@
 
 var $jsonSerializeAdapter;
 
-(function(global, shared, exports) {
+(function(global, utils) {
 
 "use strict";
 
@@ -14,7 +14,15 @@ var $jsonSerializeAdapter;
 // Imports
 
 var GlobalJSON = global.JSON;
-var InternalArray = shared.InternalArray;
+var InternalArray = utils.InternalArray;
+
+var MathMax;
+var MathMin;
+
+utils.Import(function(from) {
+  MathMax = from.MathMax;
+  MathMin = from.MathMin;
+});
 
 // -------------------------------------------------------------------
 
@@ -183,7 +191,7 @@ function JSONStringify(value, replacer, space) {
   }
   var gap;
   if (IS_NUMBER(space)) {
-    space = $max(0, $min($toInteger(space), 10));
+    space = MathMax(0, MathMin($toInteger(space), 10));
     gap = %_SubString("          ", 0, space);
   } else if (IS_STRING(space)) {
     if (space.length > 10) {