BuildSystem
BuiltInBuildSystemAdapter
This finalizes the move of `BuiltInBuildSystem` creation into `BuiltInBuildSystemAdapter` and means that we can set the message handler of the `BuiltInBuildSystem` during initialization instead of using a setter method.
buildTarget/inverseSources
BuildTargetIdentifier
ConfiguredTarget
SKCore
BuildSystemIntegration
indexPrefixMappings