OptionalisWhether the field is optional (not in required).
OptionalisWhether the field is nullable (anyOf [T, null] or type: ["...", "null"]).
OptionaldefaultDefault value from the schema's default keyword.
OptionalexamplesExample values from the schema's examples keyword.
True when the underlying schema declared type: "integer" rather
than type: "number". Renderers consult this to set HTML
inputmode="numeric" and step="1" (for whole-number editing)
instead of inputmode="decimal".
Properties common to every WalkedField variant. The
typefield acts as the discriminant for the tagged union.