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type FontWeight =
    | "ultraLight"
    | "thin"
    | "light"
    | "regular"
    | "medium"
    | "semibold"
    | "bold"
    | "heavy"
    | "black";
​
ultraLight
string
The lightest weight. Very thin strokes.
​
thin
string
Very light weight. Thinner than light but heavier than ultraLight.
​
light
string
Light weight. Lighter than regular.
​
regular
string
The standard default weight for body text.
​
medium
string
Medium weight. Slightly heavier than regular.
​
semibold
string
Semi-bold weight. Heavier than medium, lighter than bold.
​
bold
string
Bold weight. The standard weight for emphasis.
​
heavy
string
Heavy weight. Heavier than bold.
​
black
string
The heaviest weight. Very thick strokes.