The base class for all values which can be used to configure a CSS grid's rows or columns.
This allows a user to convert a CSS value like "1fr [name] repeat(3, 100px) 1fr" into a list of GridEntrys.
[name]
Represents a set of line names for a CSS grid line.
Represents a repeated set of track sizes and line names for a CSS grid.
Represents all possible size values that can be used to configure a CSS grid track.