import CodexBarCoreimport Foundation enum ProviderImplementationRegistry {    private final class Store: @unchecked Sendable {        var ordered: [any ProviderImplementation] = []        var byID: [UsageProvider: any ProviderImplementation] = [:]    }     private static let lock = NSLock()    private static let store = Store()    private static let bootstrap: Void = {        _ = ProviderImplementationRegistry.register(CodexProviderImplementation())        _ = ProviderImplementationRegistry.register(ClaudeProviderImplementation())        _ = ProviderImplementationRegistry.register(FactoryProviderImplementation())        _ = ProviderImplementationRegistry.register(ZaiProviderImplementation())        _ = ProviderImplementationRegistry.register(MiniMaxProviderImplementation())        _ = ProviderImplementationRegistry.register(AugmentProviderImplementation())        _ = ProviderImplementationRegistry.register(CursorProviderImplementation())        _ = ProviderImplementationRegistry.register(GeminiProviderImplementation())        _ = ProviderImplementationRegistry.register(AntigravityProviderImplementation())        _ = ProviderImplementationRegistry.register(CopilotProviderImplementation())        _ = ProviderImplementationRegistry.register(KiroProviderImplementation())        _ = ProviderImplementationRegistry.register(VertexAIProviderImplementation())        _ = ProviderImplementationRegistry.register(OpenCodeProviderImplementation())    }()     private static func ensureBootstrapped() {        _ = self.bootstrap    }     @discardableResult    static func register(_ implementation: any ProviderImplementation) -> any ProviderImplementation {        self.lock.lock()        defer { self.lock.unlock() }        if self.store.byID[implementation.id] == nil {            self.store.ordered.append(implementation)        }        self.store.byID[implementation.id] = implementation        return implementation    }     static var all: [any ProviderImplementation] {        self.ensureBootstrapped()        self.lock.lock()        defer { self.lock.unlock() }        return self.store.ordered    }     static func implementation(for id: UsageProvider) -> (any ProviderImplementation)? {        self.ensureBootstrapped()        if let found = self.store.byID[id] { return found }        return self.all.first(where: { $0.id == id })    }}