struct EventFieldDetailsextension EventFieldDetails : Equatable, FieldDetails, Hashable, SendableDetails about an event field.
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                  Whether the field is optional. DeclarationSwift let isOptional: Bool
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                  The constraint for the field. DeclarationSwift let constraint: Constraint?
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                  The field itself. DeclarationSwift let field: any Field
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                  Undocumented DeclarationSwift init(field: any Field, constraint: Constraint?, isOptional: Bool)
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                  Hashes the essential components of this value by feeding them into the given hasher. Implement this method to conform to the Hashableprotocol. The components used for hashing must be the same as the components compared in your type’s==operator implementation. Callhasher.combine(_:)with each of these components.Important In your implementation of hash(into:), don’t callfinalize()on thehasherinstance provided, or replace it with a different instance. Doing so may become a compile-time error in the future.DeclarationSwift func hash(into hasher: inout Hasher)
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                  Returns a Boolean value indicating whether two values are equal. Equality is the inverse of inequality. For any values aandb,a == bimplies thata != bisfalse.DeclarationSwift static func == (lhs: EventFieldDetails, rhs: EventFieldDetails) -> BoolParameterslhsA value to compare. rhsAnother value to compare.