def METHOD_NAME(self):
    self.do(
        self.chroot_cwd / "mach",
        "install",
        wrksrc="objdir",
        env={"DESTDIR": str(self.chroot_destdir)},
    )
    self.install_file(
        self.files_path / "vendor.js",
        "usr/lib/thunderbird/defaults/preferences",
    )
    self.install_file(
        self.files_path / "thunderbird.desktop", "usr/share/applications"
    )
    # icons
    for sz in [16, 22, 24, 32, 48, 128, 256]:
        self.install_file(
            f"comm/mail/branding/thunderbird/default{sz}.png",
            f"usr/share/icons/hicolor/{sz}x{sz}/apps",
            name="thunderbird.png",
        )
    # https://bugzilla.mozilla.org/show_bug.cgi?id=658850
    self.rm(self.destdir / "usr/lib/thunderbird/thunderbird-bin")
    self.install_link("thunderbird", "usr/lib/thunderbird/thunderbird-bin")
    # to be provided
    self.rm(self.destdir / "usr/bin/thunderbird")
    # default launcher
    self.install_link(
        "/usr/lib/thunderbird/thunderbird", "usr/bin/thunderbird-default"
    )
    # wayland launcher
    self.install_file(
        self.files_path / "thunderbird-wayland",
        "usr/lib/thunderbird",
        mode=0o755,
    )
    self.install_link(
        "/usr/lib/thunderbird/thunderbird-wayland",
        "usr/bin/thunderbird-wayland",
    )