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