A class that represents a gap within MergeableMaterial.
- size → double
The main axis extent of this gap. For example, if the
MergeableMaterialis vertical, then this is the height of the gap.final
- hashCode → int
The hash code for this object. [...]
- key → LocalKey
The key for this item of the list. [...]
- runtimeType → Type
A representation of the runtime type of the object.