Type Alias Dimension 

pub type Dimension = dyn Dimension<Th = Z0, I = Z0, M = Z0, J = PInt<UInt<UTerm, B1>>, L = NInt<UInt<UInt<UTerm, B1>, B0>>, Kind = dyn Kind, N = Z0, T = Z0>;

Dimension of luminance, L⁻²J (base unit candela per square meter, cd · m⁻²).