Typed Inttegro domain value.
@type t() :: %Inttegro.Products.ProductDimensionsPhysical{ height: number() | nil, length: number() | nil, size: number() | nil, volume: number() | nil, volume_unit: String.t() | nil, weight: number() | nil, weight_unit: String.t() | nil, width: number() | nil }
@spec from_map(map()) :: t()
@spec new!(map() | keyword()) :: t()
@spec to_map(t()) :: map()