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'use strict';
var $export = require('./_export')
, toObject = require('./_to-object')
, toPrimitive = require('./_to-primitive')
, getPrototypeOf = require('./_object-gpo')
, getOwnPropertyDescriptor = require('./_object-gopd').f;
// B.2.2.5 Object.prototype.__lookupSetter__(P)
require('./_descriptors') && $export($export.P + require('./_object-forced-pam'), 'Object', {
__lookupSetter__: function __lookupSetter__(P){
var O = toObject(this)
, K = toPrimitive(P, true)
, D;
do {
if(D = getOwnPropertyDescriptor(O, K))return D.set;
} while(O = getPrototypeOf(O));
}
});
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