def METHOD_NAME(
    comp_str,
    viscosity=False,
    thermal_conductivity=False,
    surface_tension=False,
    eos_ref=None,
    viscosity_ref=None,
    thermal_conductivity_ref=None,
    surface_tension_ref=None,
):
    """Add a component to the registry
    Args:
        viscosity (bool): True if viscosity model available
        thermal_conductivity (bool): True if thermal conductivity model available
        surface_tension (bool): True if surface tension model available
        eos_ref (str|list|None): Reference for equation of state model
        viscosity_ref (str|list|None): Reference for viscosity model
        thermal_conductivity_ref (str|list|None): Reference for thermal conductivity model
        surface_tension_ref (str|list|None): Reference for surface tension model
    Returns:
        None
    """
    comp_str = comp_str.lower()
    _components[comp_str] = _ComponentStruct(
        viscosity=viscosity,
        thermal_conductivity=thermal_conductivity,
        surface_tension=surface_tension,
        eos_ref=eos_ref,
        viscosity_ref=viscosity_ref,
        thermal_conductivity_ref=thermal_conductivity_ref,
        surface_tension_ref=surface_tension_ref,
    )