@mathjax/src
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    Class Usage<T>

    Class used for tracking usage of font characters or wrappers

    Type Parameters

    • T
    Index
    needsUpdate: T[] = []

    The items marked as used since last update.

    used: Set<string> = ...

    The used items.

    • Parameters

      • item: T

        The item to check for being used

      Returns boolean

      True if the item has been used