/usr/include/ is in libmiral-dev 2.0.0.0.31.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/miral/
/usr/include/miral/miral/
/usr/include/miral/miral/add_init_callback.h
/usr/include/miral/miral/append_event_filter.h
/usr/include/miral/miral/application.h
/usr/include/miral/miral/application_authorizer.h
/usr/include/miral/miral/application_info.h
/usr/include/miral/miral/canonical_window_manager.h
/usr/include/miral/miral/command_line_option.h
/usr/include/miral/miral/cursor_theme.h
/usr/include/miral/miral/debug_extension.h
/usr/include/miral/miral/display_configuration_option.h
/usr/include/miral/miral/internal_client.h
/usr/include/miral/miral/keymap.h
/usr/include/miral/miral/lambda_as_function.h
/usr/include/miral/miral/output.h
/usr/include/miral/miral/runner.h
/usr/include/miral/miral/set_command_line_handler.h
/usr/include/miral/miral/set_terminator.h
/usr/include/miral/miral/set_window_management_policy.h
/usr/include/miral/miral/version.h
/usr/include/miral/miral/window.h
/usr/include/miral/miral/window_info.h
/usr/include/miral/miral/window_management_options.h
/usr/include/miral/miral/window_management_policy.h
/usr/include/miral/miral/window_manager_tools.h
/usr/include/miral/miral/window_specification.h