A raw control value made into what the field's kind stores, or undefined when it cannot be. Form inputs hand back strings; a settings panel should not have to know that fontSize is a number and bold a boolean.
undefined
fontSize
bold
A raw control value made into what the field's kind stores, or
undefinedwhen it cannot be. Form inputs hand back strings; a settings panel should not have to know thatfontSizeis a number andbolda boolean.