import SwiftOnoneSupport

struct A<T> {

    func fromA(takesT takesT: T)

    func fromAExtension(takesT takesT: T)

    func fromProtoExtension()
}

extension A {

    func fromDeprecatedProtoExtension()
}

extension A where T == String {

    typealias Elem = Int

    func fromAConditionalExtension(takesTIfString takesTIfString: T)

    func fromProto2Extension(takesElem takesElem: Int)
}

extension A {

    func fromDeprecatedConditionalProto2Extension(takesElemInt takesElemInt: Int)
}

class B<T> {

    func fromB(takesT takesT: T)

    typealias Elem = String

    func fromProtoExtension()

    func fromProto2Extension(takesElem takesElem: String)

    func fromConditionalProto2Extension(takesElemIfString takesElemIfString: String)
}

extension B {

    func fromDeprecatedProtoExtension()
}

class C<U, V> : B<String> where U : Equatable {

    func fromC(takesUIfEquatable takesUIfEquatable: U)

    typealias Elem1 = V

    typealias Elem2 = U

    func fromCConditionlExtension(takesU takesU: U)

    func fromProto4Extension(takesElem2IfEquatable takesElem2IfEquatable: U)

    func fromProto3Extension(takesElem1 takesElem1: V)

    func fromProto3Extension(takesElem2 takesElem2: U)
}

extension C where U : Hashable {

    func fromProto4Extension(takesElem2IfHashable takesElem2IfHashable: U)
}

struct D<T, U> {

    func fromD(takesT takesT: T, takesU takesU: U)
}

extension D where T : Equatable {

    typealias Item = T
}

extension D where T : Other1, T : Equatable {

    func fromSomeProtoExtensionSplitConditions(takesItemIfOther1 takesItemIfOther1: T)
}

protocol Other1 {
}


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