diff --git a/Sources/MockoloFramework/Models/ParsedEntity.swift b/Sources/MockoloFramework/Models/ParsedEntity.swift
index 58d516b7..020e0ff5 100644
--- a/Sources/MockoloFramework/Models/ParsedEntity.swift
+++ b/Sources/MockoloFramework/Models/ParsedEntity.swift
@@ -65,12 +65,13 @@ struct ResolvedEntity {
 
     func model() -> Model {
         let metadata = entity.metadata
+        let combinedAttributes = entity.entityNode.attributeDescriptions + attributes
         return NominalModel(selfType: .init(name: metadata?.nameOverride ?? (key + "Mock")),
                             namespaces: entity.entityNode.namespaces,
                             acl: entity.entityNode.accessLevel,
                             declKindOfMockAnnotatedBaseType: entity.entityNode.declKind,
                             declKind: inheritsActorProtocol ? .actor : .class,
-                            attributes: attributes,
+                            attributes: combinedAttributes,
                             offset: entity.entityNode.offset,
                             inheritedTypeName: (entity.metadata?.module?.withDot ?? "") + key,
                             genericWhereConstraints: entity.entityNode.genericWhereConstraints,
@@ -91,7 +92,7 @@ protocol EntityNode {
     var nameText: String { get }
     var mayHaveGlobalActor: Bool { get }
     var accessLevel: String { get }
-    var attributesDescription: String { get }
+    var attributeDescriptions: [String] { get }
     var declKind: NominalTypeDeclKind { get }
     var inheritedTypes: [String] { get }
     var genericWhereConstraints: [String] { get }
diff --git a/Sources/MockoloFramework/Parsers/SwiftSyntaxExtensions.swift b/Sources/MockoloFramework/Parsers/SwiftSyntaxExtensions.swift
index e4cf2798..016aff56 100644
--- a/Sources/MockoloFramework/Parsers/SwiftSyntaxExtensions.swift
+++ b/Sources/MockoloFramework/Parsers/SwiftSyntaxExtensions.swift
@@ -303,8 +303,8 @@ extension ProtocolDeclSyntax: EntityNode {
         return genericWhereClause?.requirements.map { $0.with(\.trailingComma, nil).trimmedDescription } ?? []
     }
 
-    var attributesDescription: String {
-        self.attributes.trimmedDescription
+    var attributeDescriptions: [String] {
+        return attributes.descriptions
     }
 
     func annotationMetadata(with annotation: String) -> AnnotationMetadata? {
@@ -354,8 +354,8 @@ extension ClassDeclSyntax: EntityNode {
         return genericWhereClause?.requirements.map { $0.with(\.trailingComma, nil).trimmedDescription } ?? []
     }
 
-    var attributesDescription: String {
-        self.attributes.trimmedDescription
+    var attributeDescriptions: [String] {
+        return attributes.descriptions
     }
 
     var isFinal: Bool {
@@ -412,6 +412,15 @@ fileprivate func findNamespaces(parent: Syntax?) -> [String] {
 }
 
 extension AttributeListSyntax {
+    fileprivate var descriptions: [String] {
+        return compactMap { element in
+            guard case .attribute(let attribute) = element else {
+                return nil
+            }
+            return attribute.trimmedDescription
+        }
+    }
+
     fileprivate var mayHaveGlobalActor: Bool {
         let wellKnownGlobalActor: Set<String> = [.mainActor]
         return self.contains { element in
diff --git a/Tests/TestActor/FixtureActor.swift b/Tests/TestActor/FixtureActor.swift
index 9224d39d..77aff0f1 100644
--- a/Tests/TestActor/FixtureActor.swift
+++ b/Tests/TestActor/FixtureActor.swift
@@ -100,6 +100,7 @@
             init() { }
         }
 
+        @available(iOS 18.0, *)
         class P1Mock: P1 {
             init() { }
         }
diff --git a/Tests/TestSendable/FixtureSendable.swift b/Tests/TestSendable/FixtureSendable.swift
index 59f128e4..863a5280 100644
--- a/Tests/TestSendable/FixtureSendable.swift
+++ b/Tests/TestSendable/FixtureSendable.swift
@@ -208,4 +208,76 @@
         }
     }
 }
+
+@Fixture enum availableSendableProtocol {
+    @available(macOS 99.0, *)
+    struct Bar {}
+
+    /// @mockable
+    @available(macOS 99.0, *)
+    protocol Foo: Sendable {
+        func bar() -> Bar
+    }
+
+    @Fixture(includesConcurrencyHelpers: true)
+    enum expected {
+        @available(macOS 99.0, *)
+        final class FooMock: Foo, @unchecked Sendable {
+            init() { }
+
+
+            private let barState = MockoloMutex(MockoloHandlerState<Never, @Sendable () -> Bar>())
+            var barCallCount: Int {
+                return barState.withLock(\.callCount)
+            }
+            var barHandler: (@Sendable () -> Bar)? {
+                get { barState.withLock(\.handler) }
+                set { barState.withLock { $0.handler = newValue } }
+            }
+            func bar() -> Bar {
+                let barHandler = barState.withLock { state in
+                    state.callCount += 1
+                    return state.handler
+                }
+                if let barHandler = barHandler {
+                    return barHandler()
+                }
+                fatalError("barHandler returns can't have a default value thus its handler must be set")
+            }
+        }
+    }
+}
+
+@Fixture enum availableInheritedProtocol {
+    @available(macOS 100.0, *)
+    struct Bar {}
+
+    @available(macOS 90.0, *)
+    protocol Foo {
+    }
+
+    /// @mockable
+    @available(macOS 100.0, *)
+    protocol Foo2: Foo {
+        var bar: Bar { get set }
+    }
+
+    @Fixture enum expected {
+        @available(macOS 100.0, *)
+        class Foo2Mock: Foo2 {
+            init() { }
+            init(bar: Bar) {
+                self._bar = bar
+            }
+
+
+            private(set) var barSetCallCount = 0
+            private var _bar: Bar! { didSet { barSetCallCount += 1 } }
+            var bar: Bar {
+                get { return _bar }
+                set { _bar = newValue }
+            }
+        }
+    }
+}
 #endif
diff --git a/Tests/TestSendable/SendableTests.swift b/Tests/TestSendable/SendableTests.swift
index 4bd7f1a0..beef3dfb 100644
--- a/Tests/TestSendable/SendableTests.swift
+++ b/Tests/TestSendable/SendableTests.swift
@@ -21,5 +21,15 @@ class SendableTests: MockoloTestCase {
         verify(srcContent: confirmedSendableProtocol._source,
                dstContent: confirmedSendableProtocol.expected._source)
     }
+
+    func testAvailableSendableProtocol() {
+        verify(srcContent: availableSendableProtocol._source,
+               dstContent: availableSendableProtocol.expected._source)
+    }
+
+    func testAvailableInheritedProtocol() {
+        verify(srcContent: availableInheritedProtocol._source,
+               dstContent: availableInheritedProtocol.expected._source)
+    }
 }
 #endif