Type Alias XOR<T, U>

XOR<T, U>: T extends object
    ? U extends object
        ? Without<T, U> & U | Without<U, T> & T
        : U
    : T

XOR is needed to have a real mutually exclusive union type https://stackoverflow.com/questions/42123407/does-typescript-support-mutually-exclusive-types

Type Parameters

T
U