/a> amount</pre>
<div class="block">优惠券面额，单位【分】</div>
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<pre>private&nbsp;<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="java.lang中的类或接口">String</a> couponId</pre>
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<h4>currency</h4>
<pre>priva