ph collection

Some special collections not used everywhere (like multi maps etc.)

Maven usage

Add the following to your pom.xml to use this artifact:

<dependency>
  <groupId>com.helger.commons</groupId>
  <artifactId>ph-collection</artifactId>
  <version>x.y.z</version>
</dependency>

Note: the Maven groupId changed in v10 from com.helger to com.helger.commons