Element implicitly has an 'any' type because expression of type 'string' can't be used to index type '{ kind: string; description: string; name: string; cssParts: { description: string; name: string; }[]; slots: { description: string; name: string; }[]; members: ({ kind: string; name: string; type: { text: string; }; ... 4 more ...; return?: undefined; } | ... 4 more ... | { ...; })[]; attributes: { ...; }[]; superc...'.