SophaxChat · Code Richard Metzner

08 · Groups

Sources/SophaxChatCore/MLS/Generated/sophax_mls.swift

1370 lines · Swift

// This file was autogenerated by some hot garbage in the `uniffi` crate.
// Trust me, you don't want to mess with it!

// swiftlint:disable all
import Foundation

// Depending on the consumer's build setup, the low-level FFI code
// might be in a separate module, or it might be compiled inline into
// this module. This is a bit of light hackery to work with both.
#if canImport(sophax_mlsFFI)
import sophax_mlsFFI
#endif

fileprivate extension RustBuffer {
    // Allocate a new buffer, copying the contents of a `UInt8` array.
    init(bytes: [UInt8]) {
        let rbuf = bytes.withUnsafeBufferPointer { ptr in
            RustBuffer.from(ptr)
        }
        self.init(capacity: rbuf.capacity, len: rbuf.len, data: rbuf.data)
    }

    static func empty() -> RustBuffer {
        RustBuffer(capacity: 0, len:0, data: nil)
    }

    static func from(_ ptr: UnsafeBufferPointer<UInt8>) -> RustBuffer {
        try! rustCall { ffi_sophax_mls_rustbuffer_from_bytes(ForeignBytes(bufferPointer: ptr), $0) }
    }

    // Frees the buffer in place.
    // The buffer must not be used after this is called.
    func deallocate() {
        try! rustCall { ffi_sophax_mls_rustbuffer_free(self, $0) }
    }
}

fileprivate extension ForeignBytes {
    init(bufferPointer: UnsafeBufferPointer<UInt8>) {
        self.init(len: Int32(bufferPointer.count), data: bufferPointer.baseAddress)
    }
}

// For every type used in the interface, we provide helper methods for conveniently
// lifting and lowering that type from C-compatible data, and for reading and writing
// values of that type in a buffer.

// Helper classes/extensions that don't change.
// Someday, this will be in a library of its own.

fileprivate extension Data {
    init(rustBuffer: RustBuffer) {
        self.init(
            bytesNoCopy: rustBuffer.data!,
            count: Int(rustBuffer.len),
            deallocator: .none
        )
    }
}

// Define reader functionality.  Normally this would be defined in a class or
// struct, but we use standalone functions instead in order to make external
// types work.
//
// With external types, one swift source file needs to be able to call the read
// method on another source file's FfiConverter, but then what visibility
// should Reader have?
// - If Reader is fileprivate, then this means the read() must also
//   be fileprivate, which doesn't work with external types.
// - If Reader is internal/public, we'll get compile errors since both source
//   files will try define the same type.
//
// Instead, the read() method and these helper functions input a tuple of data

fileprivate func createReader(data: Data) -> (data: Data, offset: Data.Index) {
    (data: data, offset: 0)
}

// Reads an integer at the current offset, in big-endian order, and advances
// the offset on success. Throws if reading the integer would move the
// offset past the end of the buffer.
fileprivate func readInt<T: FixedWidthInteger>(_ reader: inout (data: Data, offset: Data.Index)) throws -> T {
    let range = reader.offset..<reader.offset + MemoryLayout<T>.size
    guard reader.data.count >= range.upperBound else {
        throw UniffiInternalError.bufferOverflow
    }
    if T.self == UInt8.self {
        let value = reader.data[reader.offset]
        reader.offset += 1
        return value as! T
    }
    var value: T = 0
    let _ = withUnsafeMutableBytes(of: &value, { reader.data.copyBytes(to: $0, from: range)})
    reader.offset = range.upperBound
    return value.bigEndian
}

// Reads an arbitrary number of bytes, to be used to read
// raw bytes, this is useful when lifting strings
fileprivate func readBytes(_ reader: inout (data: Data, offset: Data.Index), count: Int) throws -> Array<UInt8> {
    let range = reader.offset..<(reader.offset+count)
    guard reader.data.count >= range.upperBound else {
        throw UniffiInternalError.bufferOverflow
    }
    var value = [UInt8](repeating: 0, count: count)
    value.withUnsafeMutableBufferPointer({ buffer in
        reader.data.copyBytes(to: buffer, from: range)
    })
    reader.offset = range.upperBound
    return value
}

// Reads a float at the current offset.
fileprivate func readFloat(_ reader: inout (data: Data, offset: Data.Index)) throws -> Float {
    return Float(bitPattern: try readInt(&reader))
}

// Reads a float at the current offset.
fileprivate func readDouble(_ reader: inout (data: Data, offset: Data.Index)) throws -> Double {
    return Double(bitPattern: try readInt(&reader))
}

// Indicates if the offset has reached the end of the buffer.
fileprivate func hasRemaining(_ reader: (data: Data, offset: Data.Index)) -> Bool {
    return reader.offset < reader.data.count
}

// Define writer functionality.  Normally this would be defined in a class or
// struct, but we use standalone functions instead in order to make external
// types work.  See the above discussion on Readers for details.

fileprivate func createWriter() -> [UInt8] {
    return []
}

fileprivate func writeBytes<S>(_ writer: inout [UInt8], _ byteArr: S) where S: Sequence, S.Element == UInt8 {
    writer.append(contentsOf: byteArr)
}

// Writes an integer in big-endian order.
//
// Warning: make sure what you are trying to write
// is in the correct type!
fileprivate func writeInt<T: FixedWidthInteger>(_ writer: inout [UInt8], _ value: T) {
    var value = value.bigEndian
    withUnsafeBytes(of: &value) { writer.append(contentsOf: $0) }
}

fileprivate func writeFloat(_ writer: inout [UInt8], _ value: Float) {
    writeInt(&writer, value.bitPattern)
}

fileprivate func writeDouble(_ writer: inout [UInt8], _ value: Double) {
    writeInt(&writer, value.bitPattern)
}

// Protocol for types that transfer other types across the FFI. This is
// analogous to the Rust trait of the same name.
fileprivate protocol FfiConverter {
    associatedtype FfiType
    associatedtype SwiftType

    static func lift(_ value: FfiType) throws -> SwiftType
    static func lower(_ value: SwiftType) -> FfiType
    static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> SwiftType
    static func write(_ value: SwiftType, into buf: inout [UInt8])
}

// Types conforming to `Primitive` pass themselves directly over the FFI.
fileprivate protocol FfiConverterPrimitive: FfiConverter where FfiType == SwiftType { }

extension FfiConverterPrimitive {
#if swift(>=5.8)
    @_documentation(visibility: private)
#endif
    public static func lift(_ value: FfiType) throws -> SwiftType {
        return value
    }

#if swift(>=5.8)
    @_documentation(visibility: private)
#endif
    public static func lower(_ value: SwiftType) -> FfiType {
        return value
    }
}

// Types conforming to `FfiConverterRustBuffer` lift and lower into a `RustBuffer`.
// Used for complex types where it's hard to write a custom lift/lower.
fileprivate protocol FfiConverterRustBuffer: FfiConverter where FfiType == RustBuffer {}

extension FfiConverterRustBuffer {
#if swift(>=5.8)
    @_documentation(visibility: private)
#endif
    public static func lift(_ buf: RustBuffer) throws -> SwiftType {
        var reader = createReader(data: Data(rustBuffer: buf))
        let value = try read(from: &reader)
        if hasRemaining(reader) {
            throw UniffiInternalError.incompleteData
        }
        buf.deallocate()
        return value
    }

#if swift(>=5.8)
    @_documentation(visibility: private)
#endif
    public static func lower(_ value: SwiftType) -> RustBuffer {
          var writer = createWriter()
          write(value, into: &writer)
          return RustBuffer(bytes: writer)
    }
}
// An error type for FFI errors. These errors occur at the UniFFI level, not
// the library level.
fileprivate enum UniffiInternalError: LocalizedError {
    case bufferOverflow
    case incompleteData
    case unexpectedOptionalTag
    case unexpectedEnumCase
    case unexpectedNullPointer
    case unexpectedRustCallStatusCode
    case unexpectedRustCallError
    case unexpectedStaleHandle
    case rustPanic(_ message: String)

    public var errorDescription: String? {
        switch self {
        case .bufferOverflow: return "Reading the requested value would read past the end of the buffer"
        case .incompleteData: return "The buffer still has data after lifting its containing value"
        case .unexpectedOptionalTag: return "Unexpected optional tag; should be 0 or 1"
        case .unexpectedEnumCase: return "Raw enum value doesn't match any cases"
        case .unexpectedNullPointer: return "Raw pointer value was null"
        case .unexpectedRustCallStatusCode: return "Unexpected RustCallStatus code"
        case .unexpectedRustCallError: return "CALL_ERROR but no errorClass specified"
        case .unexpectedStaleHandle: return "The object in the handle map has been dropped already"
        case let .rustPanic(message): return message
        }
    }
}

fileprivate extension NSLock {
    func withLock<T>(f: () throws -> T) rethrows -> T {
        self.lock()
        defer { self.unlock() }
        return try f()
    }
}

fileprivate let CALL_SUCCESS: Int8 = 0
fileprivate let CALL_ERROR: Int8 = 1
fileprivate let CALL_UNEXPECTED_ERROR: Int8 = 2
fileprivate let CALL_CANCELLED: Int8 = 3

fileprivate extension RustCallStatus {
    init() {
        self.init(
            code: CALL_SUCCESS,
            errorBuf: RustBuffer.init(
                capacity: 0,
                len: 0,
                data: nil
            )
        )
    }
}

private func rustCall<T>(_ callback: (UnsafeMutablePointer<RustCallStatus>) -> T) throws -> T {
    let neverThrow: ((RustBuffer) throws -> Never)? = nil
    return try makeRustCall(callback, errorHandler: neverThrow)
}

private func rustCallWithError<T, E: Swift.Error>(
    _ errorHandler: @escaping (RustBuffer) throws -> E,
    _ callback: (UnsafeMutablePointer<RustCallStatus>) -> T) throws -> T {
    try makeRustCall(callback, errorHandler: errorHandler)
}

private func makeRustCall<T, E: Swift.Error>(
    _ callback: (UnsafeMutablePointer<RustCallStatus>) -> T,
    errorHandler: ((RustBuffer) throws -> E)?
) throws -> T {
    uniffiEnsureSophaxMlsInitialized()
    var callStatus = RustCallStatus.init()
    let returnedVal = callback(&callStatus)
    try uniffiCheckCallStatus(callStatus: callStatus, errorHandler: errorHandler)
    return returnedVal
}

private func uniffiCheckCallStatus<E: Swift.Error>(
    callStatus: RustCallStatus,
    errorHandler: ((RustBuffer) throws -> E)?
) throws {
    switch callStatus.code {
        case CALL_SUCCESS:
            return

        case CALL_ERROR:
            if let errorHandler = errorHandler {
                throw try errorHandler(callStatus.errorBuf)
            } else {
                callStatus.errorBuf.deallocate()
                throw UniffiInternalError.unexpectedRustCallError
            }

        case CALL_UNEXPECTED_ERROR:
            // When the rust code sees a panic, it tries to construct a RustBuffer
            // with the message.  But if that code panics, then it just sends back
            // an empty buffer.
            if callStatus.errorBuf.len > 0 {
                throw UniffiInternalError.rustPanic(try FfiConverterString.lift(callStatus.errorBuf))
            } else {
                callStatus.errorBuf.deallocate()
                throw UniffiInternalError.rustPanic("Rust panic")
            }

        case CALL_CANCELLED:
            fatalError("Cancellation not supported yet")

        default:
            throw UniffiInternalError.unexpectedRustCallStatusCode
    }
}

private func uniffiTraitInterfaceCall<T>(
    callStatus: UnsafeMutablePointer<RustCallStatus>,
    makeCall: () throws -> T,
    writeReturn: (T) -> ()
) {
    do {
        try writeReturn(makeCall())
    } catch let error {
        callStatus.pointee.code = CALL_UNEXPECTED_ERROR
        callStatus.pointee.errorBuf = FfiConverterString.lower(String(describing: error))
    }
}

private func uniffiTraitInterfaceCallWithError<T, E>(
    callStatus: UnsafeMutablePointer<RustCallStatus>,
    makeCall: () throws -> T,
    writeReturn: (T) -> (),
    lowerError: (E) -> RustBuffer
) {
    do {
        try writeReturn(makeCall())
    } catch let error as E {
        callStatus.pointee.code = CALL_ERROR
        callStatus.pointee.errorBuf = lowerError(error)
    } catch {
        callStatus.pointee.code = CALL_UNEXPECTED_ERROR
        callStatus.pointee.errorBuf = FfiConverterString.lower(String(describing: error))
    }
}
// Initial value and increment amount for handles. 
// These ensure that SWIFT handles always have the lowest bit set
fileprivate let UNIFFI_HANDLEMAP_INITIAL: UInt64 = 1
fileprivate let UNIFFI_HANDLEMAP_DELTA: UInt64 = 2

fileprivate final class UniffiHandleMap<T>: @unchecked Sendable {
    // All mutation happens with this lock held, which is why we implement @unchecked Sendable.
    private let lock = NSLock()
    private var map: [UInt64: T] = [:]
    private var currentHandle: UInt64 = UNIFFI_HANDLEMAP_INITIAL

    func insert(obj: T) -> UInt64 {
        lock.withLock {
            return doInsert(obj)
        }
    }

    // Low-level insert function, this assumes `lock` is held.
    private func doInsert(_ obj: T) -> UInt64 {
        let handle = currentHandle
        currentHandle += UNIFFI_HANDLEMAP_DELTA
        map[handle] = obj
        return handle
    }

     func get(handle: UInt64) throws -> T {
        try lock.withLock {
            guard let obj = map[handle] else {
                throw UniffiInternalError.unexpectedStaleHandle
            }
            return obj
        }
    }

     func clone(handle: UInt64) throws -> UInt64 {
        try lock.withLock {
            guard let obj = map[handle] else {
                throw UniffiInternalError.unexpectedStaleHandle
            }
            return doInsert(obj)
        }
    }

    @discardableResult
    func remove(handle: UInt64) throws -> T {
        try lock.withLock {
            guard let obj = map.removeValue(forKey: handle) else {
                throw UniffiInternalError.unexpectedStaleHandle
            }
            return obj
        }
    }

    var count: Int {
        get {
            map.count
        }
    }
}


// Public interface members begin here.


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
fileprivate struct FfiConverterUInt64: FfiConverterPrimitive {
    typealias FfiType = UInt64
    typealias SwiftType = UInt64

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> UInt64 {
        return try lift(readInt(&buf))
    }

    public static func write(_ value: SwiftType, into buf: inout [UInt8]) {
        writeInt(&buf, lower(value))
    }
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
fileprivate struct FfiConverterString: FfiConverter {
    typealias SwiftType = String
    typealias FfiType = RustBuffer

    public static func lift(_ value: RustBuffer) throws -> String {
        defer {
            value.deallocate()
        }
        if value.data == nil {
            return String()
        }
        let bytes = UnsafeBufferPointer<UInt8>(start: value.data!, count: Int(value.len))
        return String(bytes: bytes, encoding: String.Encoding.utf8)!
    }

    public static func lower(_ value: String) -> RustBuffer {
        return value.utf8CString.withUnsafeBufferPointer { ptr in
            // The swift string gives us int8_t, we want uint8_t.
            ptr.withMemoryRebound(to: UInt8.self) { ptr in
                // The swift string gives us a trailing null byte, we don't want it.
                let buf = UnsafeBufferPointer(rebasing: ptr.prefix(upTo: ptr.count - 1))
                return RustBuffer.from(buf)
            }
        }
    }

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> String {
        let len: Int32 = try readInt(&buf)
        return String(bytes: try readBytes(&buf, count: Int(len)), encoding: String.Encoding.utf8)!
    }

    public static func write(_ value: String, into buf: inout [UInt8]) {
        let len = Int32(value.utf8.count)
        writeInt(&buf, len)
        writeBytes(&buf, value.utf8)
    }
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
fileprivate struct FfiConverterData: FfiConverterRustBuffer {
    typealias SwiftType = Data

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> Data {
        let len: Int32 = try readInt(&buf)
        return Data(try readBytes(&buf, count: Int(len)))
    }

    public static func write(_ value: Data, into buf: inout [UInt8]) {
        let len = Int32(value.count)
        writeInt(&buf, len)
        writeBytes(&buf, value)
    }
}




/**
 * Local MLS identity derived from the peer's existing Ed25519 key.
 */
public protocol MlsClientHandleProtocol: AnyObject, Sendable {
    
    /**
     * Generate a fresh single-use KeyPackage for this identity.
     */
    func generateKeyPackage() throws  -> Data
    
}
/**
 * Local MLS identity derived from the peer's existing Ed25519 key.
 */
open class MlsClientHandle: MlsClientHandleProtocol, @unchecked Sendable {
    fileprivate let handle: UInt64

    /// Used to instantiate a [FFIObject] without an actual handle, for fakes in tests, mostly.
#if swift(>=5.8)
    @_documentation(visibility: private)
#endif
    public struct NoHandle {
        public init() {}
    }

    // TODO: We'd like this to be `private` but for Swifty reasons,
    // we can't implement `FfiConverter` without making this `required` and we can't
    // make it `required` without making it `public`.
#if swift(>=5.8)
    @_documentation(visibility: private)
#endif
    required public init(unsafeFromHandle handle: UInt64) {
        self.handle = handle
    }

    // This constructor can be used to instantiate a fake object.
    // - Parameter noHandle: Placeholder value so we can have a constructor separate from the default empty one that may be implemented for classes extending [FFIObject].
    //
    // - Warning:
    //     Any object instantiated with this constructor cannot be passed to an actual Rust-backed object. Since there isn't a backing handle the FFI lower functions will crash.
#if swift(>=5.8)
    @_documentation(visibility: private)
#endif
    public init(noHandle: NoHandle) {
        self.handle = 0
    }

#if swift(>=5.8)
    @_documentation(visibility: private)
#endif
    public func uniffiCloneHandle() -> UInt64 {
        return try! rustCall { uniffi_sophax_mls_fn_clone_mlsclienthandle(self.handle, $0) }
    }
public convenience init(peerId: String, signingKeyBytes: Data)throws  {
    let handle =
        try rustCallWithError(FfiConverterTypeMlsError_lift) {
    uniffi_sophax_mls_fn_constructor_mlsclienthandle_new(
        FfiConverterString.lower(peerId),
        FfiConverterData.lower(signingKeyBytes),$0
    )
}
    self.init(unsafeFromHandle: handle)
}

    deinit {
        if handle == 0 {
            // Mock objects have handle=0 don't try to free them
            return
        }

        try! rustCall { uniffi_sophax_mls_fn_free_mlsclienthandle(handle, $0) }
    }

    

    
    /**
     * Generate a fresh single-use KeyPackage for this identity.
     */
open func generateKeyPackage()throws  -> Data  {
    return try  FfiConverterData.lift(try rustCallWithError(FfiConverterTypeMlsError_lift) {
    uniffi_sophax_mls_fn_method_mlsclienthandle_generate_key_package(
            self.uniffiCloneHandle(),$0
    )
})
}
    

    
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public struct FfiConverterTypeMlsClientHandle: FfiConverter {
    typealias FfiType = UInt64
    typealias SwiftType = MlsClientHandle

    public static func lift(_ handle: UInt64) throws -> MlsClientHandle {
        return MlsClientHandle(unsafeFromHandle: handle)
    }

    public static func lower(_ value: MlsClientHandle) -> UInt64 {
        return value.uniffiCloneHandle()
    }

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> MlsClientHandle {
        let handle: UInt64 = try readInt(&buf)
        return try lift(handle)
    }

    public static func write(_ value: MlsClientHandle, into buf: inout [UInt8]) {
        writeInt(&buf, lower(value))
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeMlsClientHandle_lift(_ handle: UInt64) throws -> MlsClientHandle {
    return try FfiConverterTypeMlsClientHandle.lift(handle)
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeMlsClientHandle_lower(_ value: MlsClientHandle) -> UInt64 {
    return FfiConverterTypeMlsClientHandle.lower(value)
}




public struct CommitOutput: Equatable, Hashable {
    /**
     * Broadcast to all group members
     */
    public var commitBytes: Data
    /**
     * Send to new member (present only for AddMember commits)
     */
    public var welcomeBytes: Data?
    /**
     * Updated state — replace persisted state after distributing commit
     */
    public var newGroupState: Data
    public var newEpoch: UInt64

    // Default memberwise initializers are never public by default, so we
    // declare one manually.
    public init(
        /**
         * Broadcast to all group members
         */commitBytes: Data, 
        /**
         * Send to new member (present only for AddMember commits)
         */welcomeBytes: Data?, 
        /**
         * Updated state — replace persisted state after distributing commit
         */newGroupState: Data, newEpoch: UInt64) {
        self.commitBytes = commitBytes
        self.welcomeBytes = welcomeBytes
        self.newGroupState = newGroupState
        self.newEpoch = newEpoch
    }

    

    
}

#if compiler(>=6)
extension CommitOutput: Sendable {}
#endif

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public struct FfiConverterTypeCommitOutput: FfiConverterRustBuffer {
    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> CommitOutput {
        return
            try CommitOutput(
                commitBytes: FfiConverterData.read(from: &buf), 
                welcomeBytes: FfiConverterOptionData.read(from: &buf), 
                newGroupState: FfiConverterData.read(from: &buf), 
                newEpoch: FfiConverterUInt64.read(from: &buf)
        )
    }

    public static func write(_ value: CommitOutput, into buf: inout [UInt8]) {
        FfiConverterData.write(value.commitBytes, into: &buf)
        FfiConverterOptionData.write(value.welcomeBytes, into: &buf)
        FfiConverterData.write(value.newGroupState, into: &buf)
        FfiConverterUInt64.write(value.newEpoch, into: &buf)
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeCommitOutput_lift(_ buf: RustBuffer) throws -> CommitOutput {
    return try FfiConverterTypeCommitOutput.lift(buf)
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeCommitOutput_lower(_ value: CommitOutput) -> RustBuffer {
    return FfiConverterTypeCommitOutput.lower(value)
}


public struct CreateGroupOutput: Equatable, Hashable {
    /**
     * Coordinator's group state — persist encrypted immediately
     */
    public var groupState: Data
    /**
     * One Welcome per invited member; send via DR unicast
     */
    public var welcomes: [MemberWelcome]

    // Default memberwise initializers are never public by default, so we
    // declare one manually.
    public init(
        /**
         * Coordinator's group state — persist encrypted immediately
         */groupState: Data, 
        /**
         * One Welcome per invited member; send via DR unicast
         */welcomes: [MemberWelcome]) {
        self.groupState = groupState
        self.welcomes = welcomes
    }

    

    
}

#if compiler(>=6)
extension CreateGroupOutput: Sendable {}
#endif

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public struct FfiConverterTypeCreateGroupOutput: FfiConverterRustBuffer {
    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> CreateGroupOutput {
        return
            try CreateGroupOutput(
                groupState: FfiConverterData.read(from: &buf), 
                welcomes: FfiConverterSequenceTypeMemberWelcome.read(from: &buf)
        )
    }

    public static func write(_ value: CreateGroupOutput, into buf: inout [UInt8]) {
        FfiConverterData.write(value.groupState, into: &buf)
        FfiConverterSequenceTypeMemberWelcome.write(value.welcomes, into: &buf)
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeCreateGroupOutput_lift(_ buf: RustBuffer) throws -> CreateGroupOutput {
    return try FfiConverterTypeCreateGroupOutput.lift(buf)
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeCreateGroupOutput_lower(_ value: CreateGroupOutput) -> RustBuffer {
    return FfiConverterTypeCreateGroupOutput.lower(value)
}


public struct DecryptOutput: Equatable, Hashable {
    public var plaintext: Data
    public var newGroupState: Data

    // Default memberwise initializers are never public by default, so we
    // declare one manually.
    public init(plaintext: Data, newGroupState: Data) {
        self.plaintext = plaintext
        self.newGroupState = newGroupState
    }

    

    
}

#if compiler(>=6)
extension DecryptOutput: Sendable {}
#endif

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public struct FfiConverterTypeDecryptOutput: FfiConverterRustBuffer {
    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> DecryptOutput {
        return
            try DecryptOutput(
                plaintext: FfiConverterData.read(from: &buf), 
                newGroupState: FfiConverterData.read(from: &buf)
        )
    }

    public static func write(_ value: DecryptOutput, into buf: inout [UInt8]) {
        FfiConverterData.write(value.plaintext, into: &buf)
        FfiConverterData.write(value.newGroupState, into: &buf)
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeDecryptOutput_lift(_ buf: RustBuffer) throws -> DecryptOutput {
    return try FfiConverterTypeDecryptOutput.lift(buf)
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeDecryptOutput_lower(_ value: DecryptOutput) -> RustBuffer {
    return FfiConverterTypeDecryptOutput.lower(value)
}


public struct EncryptOutput: Equatable, Hashable {
    public var ciphertext: Data
    public var newGroupState: Data

    // Default memberwise initializers are never public by default, so we
    // declare one manually.
    public init(ciphertext: Data, newGroupState: Data) {
        self.ciphertext = ciphertext
        self.newGroupState = newGroupState
    }

    

    
}

#if compiler(>=6)
extension EncryptOutput: Sendable {}
#endif

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public struct FfiConverterTypeEncryptOutput: FfiConverterRustBuffer {
    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> EncryptOutput {
        return
            try EncryptOutput(
                ciphertext: FfiConverterData.read(from: &buf), 
                newGroupState: FfiConverterData.read(from: &buf)
        )
    }

    public static func write(_ value: EncryptOutput, into buf: inout [UInt8]) {
        FfiConverterData.write(value.ciphertext, into: &buf)
        FfiConverterData.write(value.newGroupState, into: &buf)
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeEncryptOutput_lift(_ buf: RustBuffer) throws -> EncryptOutput {
    return try FfiConverterTypeEncryptOutput.lift(buf)
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeEncryptOutput_lower(_ value: EncryptOutput) -> RustBuffer {
    return FfiConverterTypeEncryptOutput.lower(value)
}


public struct MemberWelcome: Equatable, Hashable {
    public var peerId: String
    public var welcomeBytes: Data
    /**
     * Ratchet tree bytes — send alongside welcome for clients without tree extension
     */
    public var ratchetTreeBytes: Data

    // Default memberwise initializers are never public by default, so we
    // declare one manually.
    public init(peerId: String, welcomeBytes: Data, 
        /**
         * Ratchet tree bytes — send alongside welcome for clients without tree extension
         */ratchetTreeBytes: Data) {
        self.peerId = peerId
        self.welcomeBytes = welcomeBytes
        self.ratchetTreeBytes = ratchetTreeBytes
    }

    

    
}

#if compiler(>=6)
extension MemberWelcome: Sendable {}
#endif

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public struct FfiConverterTypeMemberWelcome: FfiConverterRustBuffer {
    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> MemberWelcome {
        return
            try MemberWelcome(
                peerId: FfiConverterString.read(from: &buf), 
                welcomeBytes: FfiConverterData.read(from: &buf), 
                ratchetTreeBytes: FfiConverterData.read(from: &buf)
        )
    }

    public static func write(_ value: MemberWelcome, into buf: inout [UInt8]) {
        FfiConverterString.write(value.peerId, into: &buf)
        FfiConverterData.write(value.welcomeBytes, into: &buf)
        FfiConverterData.write(value.ratchetTreeBytes, into: &buf)
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeMemberWelcome_lift(_ buf: RustBuffer) throws -> MemberWelcome {
    return try FfiConverterTypeMemberWelcome.lift(buf)
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeMemberWelcome_lower(_ value: MemberWelcome) -> RustBuffer {
    return FfiConverterTypeMemberWelcome.lower(value)
}


public struct ProcessedCommit: Equatable, Hashable {
    public var addedPeerIds: [String]
    public var removedPeerIds: [String]
    public var newGroupState: Data
    public var newEpoch: UInt64

    // Default memberwise initializers are never public by default, so we
    // declare one manually.
    public init(addedPeerIds: [String], removedPeerIds: [String], newGroupState: Data, newEpoch: UInt64) {
        self.addedPeerIds = addedPeerIds
        self.removedPeerIds = removedPeerIds
        self.newGroupState = newGroupState
        self.newEpoch = newEpoch
    }

    

    
}

#if compiler(>=6)
extension ProcessedCommit: Sendable {}
#endif

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public struct FfiConverterTypeProcessedCommit: FfiConverterRustBuffer {
    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> ProcessedCommit {
        return
            try ProcessedCommit(
                addedPeerIds: FfiConverterSequenceString.read(from: &buf), 
                removedPeerIds: FfiConverterSequenceString.read(from: &buf), 
                newGroupState: FfiConverterData.read(from: &buf), 
                newEpoch: FfiConverterUInt64.read(from: &buf)
        )
    }

    public static func write(_ value: ProcessedCommit, into buf: inout [UInt8]) {
        FfiConverterSequenceString.write(value.addedPeerIds, into: &buf)
        FfiConverterSequenceString.write(value.removedPeerIds, into: &buf)
        FfiConverterData.write(value.newGroupState, into: &buf)
        FfiConverterUInt64.write(value.newEpoch, into: &buf)
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeProcessedCommit_lift(_ buf: RustBuffer) throws -> ProcessedCommit {
    return try FfiConverterTypeProcessedCommit.lift(buf)
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeProcessedCommit_lower(_ value: ProcessedCommit) -> RustBuffer {
    return FfiConverterTypeProcessedCommit.lower(value)
}


public enum MlsError: Swift.Error, Equatable, Hashable, Foundation.LocalizedError {

    
    
    case Protocol(msg: String
    )
    case DecryptionFailed
    case InvalidState(msg: String
    )
    case Serialization(msg: String
    )
    case UnknownMember
    case InvalidCommit

    

    

    
    public var errorDescription: String? {
        String(reflecting: self)
    }
    
}

#if compiler(>=6)
extension MlsError: Sendable {}
#endif

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public struct FfiConverterTypeMlsError: FfiConverterRustBuffer {
    typealias SwiftType = MlsError

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> MlsError {
        let variant: Int32 = try readInt(&buf)
        switch variant {

        

        
        case 1: return .Protocol(
            msg: try FfiConverterString.read(from: &buf)
            )
        case 2: return .DecryptionFailed
        case 3: return .InvalidState(
            msg: try FfiConverterString.read(from: &buf)
            )
        case 4: return .Serialization(
            msg: try FfiConverterString.read(from: &buf)
            )
        case 5: return .UnknownMember
        case 6: return .InvalidCommit

         default: throw UniffiInternalError.unexpectedEnumCase
        }
    }

    public static func write(_ value: MlsError, into buf: inout [UInt8]) {
        switch value {

        

        
        
        case let .Protocol(msg):
            writeInt(&buf, Int32(1))
            FfiConverterString.write(msg, into: &buf)
            
        
        case .DecryptionFailed:
            writeInt(&buf, Int32(2))
        
        
        case let .InvalidState(msg):
            writeInt(&buf, Int32(3))
            FfiConverterString.write(msg, into: &buf)
            
        
        case let .Serialization(msg):
            writeInt(&buf, Int32(4))
            FfiConverterString.write(msg, into: &buf)
            
        
        case .UnknownMember:
            writeInt(&buf, Int32(5))
        
        
        case .InvalidCommit:
            writeInt(&buf, Int32(6))
        
        }
    }
}


#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeMlsError_lift(_ buf: RustBuffer) throws -> MlsError {
    return try FfiConverterTypeMlsError.lift(buf)
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
public func FfiConverterTypeMlsError_lower(_ value: MlsError) -> RustBuffer {
    return FfiConverterTypeMlsError.lower(value)
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
fileprivate struct FfiConverterOptionData: FfiConverterRustBuffer {
    typealias SwiftType = Data?

    public static func write(_ value: SwiftType, into buf: inout [UInt8]) {
        guard let value = value else {
            writeInt(&buf, Int8(0))
            return
        }
        writeInt(&buf, Int8(1))
        FfiConverterData.write(value, into: &buf)
    }

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> SwiftType {
        switch try readInt(&buf) as Int8 {
        case 0: return nil
        case 1: return try FfiConverterData.read(from: &buf)
        default: throw UniffiInternalError.unexpectedOptionalTag
        }
    }
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
fileprivate struct FfiConverterSequenceString: FfiConverterRustBuffer {
    typealias SwiftType = [String]

    public static func write(_ value: [String], into buf: inout [UInt8]) {
        let len = Int32(value.count)
        writeInt(&buf, len)
        for item in value {
            FfiConverterString.write(item, into: &buf)
        }
    }

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> [String] {
        let len: Int32 = try readInt(&buf)
        var seq = [String]()
        seq.reserveCapacity(Int(len))
        for _ in 0 ..< len {
            seq.append(try FfiConverterString.read(from: &buf))
        }
        return seq
    }
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
fileprivate struct FfiConverterSequenceData: FfiConverterRustBuffer {
    typealias SwiftType = [Data]

    public static func write(_ value: [Data], into buf: inout [UInt8]) {
        let len = Int32(value.count)
        writeInt(&buf, len)
        for item in value {
            FfiConverterData.write(item, into: &buf)
        }
    }

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> [Data] {
        let len: Int32 = try readInt(&buf)
        var seq = [Data]()
        seq.reserveCapacity(Int(len))
        for _ in 0 ..< len {
            seq.append(try FfiConverterData.read(from: &buf))
        }
        return seq
    }
}

#if swift(>=5.8)
@_documentation(visibility: private)
#endif
fileprivate struct FfiConverterSequenceTypeMemberWelcome: FfiConverterRustBuffer {
    typealias SwiftType = [MemberWelcome]

    public static func write(_ value: [MemberWelcome], into buf: inout [UInt8]) {
        let len = Int32(value.count)
        writeInt(&buf, len)
        for item in value {
            FfiConverterTypeMemberWelcome.write(item, into: &buf)
        }
    }

    public static func read(from buf: inout (data: Data, offset: Data.Index)) throws -> [MemberWelcome] {
        let len: Int32 = try readInt(&buf)
        var seq = [MemberWelcome]()
        seq.reserveCapacity(Int(len))
        for _ in 0 ..< len {
            seq.append(try FfiConverterTypeMemberWelcome.read(from: &buf))
        }
        return seq
    }
}
/**
 * Add a member (coordinator only). Returns commit to broadcast + welcome to send.
 */
public func mlsAddMember(client: MlsClientHandle, groupId: Data, groupState: Data, keyPackageBytes: Data)throws  -> CommitOutput  {
    return try  FfiConverterTypeCommitOutput_lift(try rustCallWithError(FfiConverterTypeMlsError_lift) {
    uniffi_sophax_mls_fn_func_mls_add_member(
        FfiConverterTypeMlsClientHandle_lower(client),
        FfiConverterData.lower(groupId),
        FfiConverterData.lower(groupState),
        FfiConverterData.lower(keyPackageBytes),$0
    )
})
}
/**
 * Create a new MLS group (coordinator only).
 */
public func mlsCreateGroup(client: MlsClientHandle, groupId: Data, memberKeyPackages: [Data])throws  -> CreateGroupOutput  {
    return try  FfiConverterTypeCreateGroupOutput_lift(try rustCallWithError(FfiConverterTypeMlsError_lift) {
    uniffi_sophax_mls_fn_func_mls_create_group(
        FfiConverterTypeMlsClientHandle_lower(client),
        FfiConverterData.lower(groupId),
        FfiConverterSequenceData.lower(memberKeyPackages),$0
    )
})
}
/**
 * Decrypt an MLS application message.
 */
public func mlsDecrypt(client: MlsClientHandle, groupId: Data, groupState: Data, ciphertext: Data)throws  -> DecryptOutput  {
    return try  FfiConverterTypeDecryptOutput_lift(try rustCallWithError(FfiConverterTypeMlsError_lift) {
    uniffi_sophax_mls_fn_func_mls_decrypt(
        FfiConverterTypeMlsClientHandle_lower(client),
        FfiConverterData.lower(groupId),
        FfiConverterData.lower(groupState),
        FfiConverterData.lower(ciphertext),$0
    )
})
}
/**
 * Encrypt an application message.
 */
public func mlsEncrypt(client: MlsClientHandle, groupId: Data, groupState: Data, plaintext: Data)throws  -> EncryptOutput  {
    return try  FfiConverterTypeEncryptOutput_lift(try rustCallWithError(FfiConverterTypeMlsError_lift) {
    uniffi_sophax_mls_fn_func_mls_encrypt(
        FfiConverterTypeMlsClientHandle_lower(client),
        FfiConverterData.lower(groupId),
        FfiConverterData.lower(groupState),
        FfiConverterData.lower(plaintext),$0
    )
})
}
/**
 * Process a Commit broadcast (coordinator's output). Validates coordinator in Swift.
 */
public func mlsProcessCommit(client: MlsClientHandle, groupId: Data, groupState: Data, commitBytes: Data)throws  -> ProcessedCommit  {
    return try  FfiConverterTypeProcessedCommit_lift(try rustCallWithError(FfiConverterTypeMlsError_lift) {
    uniffi_sophax_mls_fn_func_mls_process_commit(
        FfiConverterTypeMlsClientHandle_lower(client),
        FfiConverterData.lower(groupId),
        FfiConverterData.lower(groupState),
        FfiConverterData.lower(commitBytes),$0
    )
})
}
/**
 * Join a group by processing a Welcome message.
 */
public func mlsProcessWelcome(client: MlsClientHandle, welcomeBytes: Data, ratchetTreeBytes: Data?)throws  -> Data  {
    return try  FfiConverterData.lift(try rustCallWithError(FfiConverterTypeMlsError_lift) {
    uniffi_sophax_mls_fn_func_mls_process_welcome(
        FfiConverterTypeMlsClientHandle_lower(client),
        FfiConverterData.lower(welcomeBytes),
        FfiConverterOptionData.lower(ratchetTreeBytes),$0
    )
})
}
/**
 * Remove a member (coordinator only).
 */
public func mlsRemoveMember(client: MlsClientHandle, groupId: Data, groupState: Data, peerId: String)throws  -> CommitOutput  {
    return try  FfiConverterTypeCommitOutput_lift(try rustCallWithError(FfiConverterTypeMlsError_lift) {
    uniffi_sophax_mls_fn_func_mls_remove_member(
        FfiConverterTypeMlsClientHandle_lower(client),
        FfiConverterData.lower(groupId),
        FfiConverterData.lower(groupState),
        FfiConverterString.lower(peerId),$0
    )
})
}

private enum InitializationResult {
    case ok
    case contractVersionMismatch
    case apiChecksumMismatch
}
// Use a global variable to perform the versioning checks. Swift ensures that
// the code inside is only computed once.
private let initializationResult: InitializationResult = {
    // Get the bindings contract version from our ComponentInterface
    let bindings_contract_version = 30
    // Get the scaffolding contract version by calling the into the dylib
    let scaffolding_contract_version = ffi_sophax_mls_uniffi_contract_version()
    if bindings_contract_version != scaffolding_contract_version {
        return InitializationResult.contractVersionMismatch
    }
    if (uniffi_sophax_mls_checksum_func_mls_add_member() != 11557) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_sophax_mls_checksum_func_mls_create_group() != 24513) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_sophax_mls_checksum_func_mls_decrypt() != 8372) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_sophax_mls_checksum_func_mls_encrypt() != 34671) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_sophax_mls_checksum_func_mls_process_commit() != 23788) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_sophax_mls_checksum_func_mls_process_welcome() != 40331) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_sophax_mls_checksum_func_mls_remove_member() != 29216) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_sophax_mls_checksum_method_mlsclienthandle_generate_key_package() != 18079) {
        return InitializationResult.apiChecksumMismatch
    }
    if (uniffi_sophax_mls_checksum_constructor_mlsclienthandle_new() != 51287) {
        return InitializationResult.apiChecksumMismatch
    }

    return InitializationResult.ok
}()

// Make the ensure init function public so that other modules which have external type references to
// our types can call it.
public func uniffiEnsureSophaxMlsInitialized() {
    switch initializationResult {
    case .ok:
        break
    case .contractVersionMismatch:
        fatalError("UniFFI contract version mismatch: try cleaning and rebuilding your project")
    case .apiChecksumMismatch:
        fatalError("UniFFI API checksum mismatch: try cleaning and rebuilding your project")
    }
}

// swiftlint:enable all