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(function(a){"filter"in
Array.prototype||(Array.prototype.filter=function(c){if(this===a||null===this)throw
new TypeError(this+" is not an object");if(!(c instanceof
Function))throw new TypeError(c+" is not a function");for(var
j,d=Object(this),e=arguments[1],f=d instanceof
String?d.split(""):d,g=Math.max(Math.min(f.length,9007199254740991),0)||0,h=-1,i=[];++h<g;)j=f[h],h
in f&&c.call(e,j,h,d)&&i.push(j);return
i})}).call("object"==typeof
window&&window||"object"==typeof
self&&self||"object"==typeof global&&global||{});