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CoverUMD

定义一个局部的exports、define、module，一般放在库的前面引用

This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greasyfork.org/scripts/494167/1376186/CoverUMD.js 

try {
	var exports = void 0;
} catch (error) {
	console.warn(error);
}
try {
	var module = void 0;
} catch (error) {
	console.warn(error);
}
try {
	var define = void 0;
} catch (error) {
	console.warn(error);
}