- BKE_blender_version.h (only version defines & versionstr). - BKE_blender_copybuffer.h (currently only used for view3d copy/paste). - BKE_blender_undo.h (global undo functions). - BKE_blendfile.h (high level blend file read/write API).
Useful for writing asset-libraries to a file, eg. `bpy.data.libraries.write(filepath, datablocks, relative_remap=False, fake_user=False)`