def METHOD_NAME(self):
    """Returns the tclsh command.
    Returns:
        Executable: the tclsh command
    """
    # Although we symlink tclshX.Y to tclsh, we also need to support external
    # installations that may not have this symlink, or may have multiple versions
    # of Tcl installed in the same directory.
    return Executable(os.path.realpath(self.prefix.bin.join(
        'tclsh{0}'.format(self.version.up_to(2)))))