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							- var isPrototype = require('./_isPrototype'),
 
-     nativeKeys = require('./_nativeKeys');
 
- /** Used for built-in method references. */
 
- var objectProto = Object.prototype;
 
- /** Used to check objects for own properties. */
 
- var hasOwnProperty = objectProto.hasOwnProperty;
 
- /**
 
-  * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
 
-  *
 
-  * @private
 
-  * @param {Object} object The object to query.
 
-  * @returns {Array} Returns the array of property names.
 
-  */
 
- function baseKeys(object) {
 
-   if (!isPrototype(object)) {
 
-     return nativeKeys(object);
 
-   }
 
-   var result = [];
 
-   for (var key in Object(object)) {
 
-     if (hasOwnProperty.call(object, key) && key != 'constructor') {
 
-       result.push(key);
 
-     }
 
-   }
 
-   return result;
 
- }
 
- module.exports = baseKeys;
 
 
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