https://it.mathworks.com/help/coder/ref/coder.make.buildtool.addfileextension.html
coder.make.BuildTool.addFileExtension - Add new file extension entry to FileExtensions - MATLAB
This MATLAB function creates a named extension, assigns a coder.make.BuildItem object to it, and adds it to coder.make.BuildTool.FileExtensions.
add new file
https://docs.gradle.org/current/kotlin-dsl/gradle/org.gradle.api.tasks.compile/-groovy-compile-options/file-extensions.html
fileExtensions