下面列出了怎么用com.alipay.api.domain.QueryExtension的API类实例代码及写法，或者点击链接到github查看源代码。
public void setExtensions(List<QueryExtension> extensions) {
this.extensions = extensions;
}
public List<QueryExtension> getExtensions( ) {
return this.extensions;
}
public void setExtensions(List<QueryExtension> extensions) {
this.extensions = extensions;
}
public List<QueryExtension> getExtensions( ) {
return this.extensions;
}
public void setExtensions(List<QueryExtension> extensions) {
this.extensions = extensions;
}
public List<QueryExtension> getExtensions( ) {
return this.extensions;
}