public interface MavenExecutionRequestPopulator {
    /**
     * Copies the values from the given toolchains into the specified execution request. This method will replace any
     * existing values in the execution request that are controlled by the toolchains. Hence, it is expected that this
     * method is called on a new/empty execution request before the caller mutates it to fit its needs.
     *

  <description>Maven is a project development management and comprehension tool. Based on the concept of a project object model: builds, dependency management, documentation creation, site publication, and distribution publication are all controlled from the declarative file. Maven can be extended by plugins to utilise a number of other development tools for reporting or the build process.</description>
  <url>http://maven.apache.org/maven2/</url>
  <issueManagement>

 - those that are used locally by the user like <developerConnection/>

* User configuration

 User configuration which is utilized site wide are controlled with the ${user.home}/.m2/maven.properties.

 User configuration which is utilized at the project level are controlled with the
 ${project.home}/maven.properties file.

Plugin configuration