--- /dev/null
+// 19.1.2.13 Object.isSealed(O)
+var isObject = require('./_is-object');
+
+require('./_object-sap')('isSealed', function($isSealed){
+ return function isSealed(it){
+ return isObject(it) ? $isSealed ? $isSealed(it) : false : true;
+ };
+});
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