Represents a Kotlin module file - this file describes the contents of
a Kotlin module: which file facades and which multi-file part classes
make up the module.
The name of the module is the filename, excluding the extension (.kotlin_module).
The module name, as opposed to the fileName which includes the module name.
fileName will be like "META-INF/my_module_name.kotlin_module".
The fileName is fixed to match after obfuscation by KotlinModuleReferenceFixer.