def METHOD_NAME(self, context, layout):
    '''draw buttons on the N-panel'''
    layout.label(text="Implementation:")
    layout.prop(self, "implementation", expand=True)
    if self.implementation == "NumPy":
        layout.prop(self, "output_numpy", toggle=False)
    layout.separator()
    layout.label(text="List Match:")
    layout.prop(self, "list_match_global", text="Global Match", expand=False)
    layout.prop(self, "list_match_local", text="Local Match", expand=False)