Autocompletion is included in the base package since version 3.2.0. This package has become redundant as a result. It will likely cease to stop working in the future as new versions of the base package are released.
Note that the php-integrator-base package is required and needs to be set up correctly for this package to function correctly.
What is included?
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.