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'io.vertx:vertx-ext-parent:3'
<dependency>
<groupId>io.vertx</groupId>
<artifactId>vertx-ext-parent</artifactId>
<version>3</version>
</dependency>
<dependency org="io.vertx" name="vertx-ext-parent" rev="3"/>
"io.vertx", "vertx-ext-parent", "3"