Type Alias FieldOwnership<T>

FieldOwnership:
    | true
    | {
        [K in keyof T]?: T[K] extends readonly unknown[]
            ? true
            : T[K] extends object ? FieldOwnership<T[K]> : true
    }

Declares which fields an operation may write. true claims a whole subtree (at any level, including the root -- a getter may legitimately declare fields: true to mean "the entire capability"); a nested object claims only the listed sub-keys. Arrays can only ever be owned wholesale (true) -- there is no per-item ownership concept, matching arrays being atomic, ordinary values.

Type Alias FieldOwnership<T>

Type Parameters

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