SheetXL - v1.0.2
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    Interface Base

    A type Type extends, with where to read its members.

    interface Base {
        key: string | null;
        memberCount: number;
        text: string;
    }
    Index
    key: string | null

    The index key it resolved to, or null for a type outside the index (Iterable, Omit).

    memberCount: number
    text: string

    As written in the extends clause, type arguments included.