BooksFontAccessor public struct BooksFontAccessor Undocumented font Undocumented Declaration Swift public var font: (BooksFont) -> UIFont init(font:) Undocumented Declaration Swift public init(font: @escaping (BooksFont) -> UIFont = defaultFontImplementation) defaultFontImplementation(_:) Undocumented Declaration Swift @Sendable public static func defaultFontImplementation(_ font: BooksFont) -> UIFont