Imported Upstream version 6.6.0.89

Former-commit-id: b39a328747c2f3414dc52e009fb6f0aa80ca2492

external/api-doc-tools/mdoc/Mono.Documentation/Util/AttachedPropertyDefinition.cs

@@ -0,0 +1,50 @@
+using Mono.Cecil;
+using Mono.Collections.Generic;
+
+namespace Mono.Documentation.Util
+{
+    public class AttachedPropertyDefinition : AttachedPropertyReference, IMemberDefinition
+    {
+        private readonly FieldDefinition fieldDefinition;
+
+        public AttachedPropertyDefinition(FieldDefinition fieldDefinition, MetadataToken metadataToken) : base(fieldDefinition)
+        {
+            this.fieldDefinition = fieldDefinition;
+            MetadataToken = metadataToken;
+        }
+
+        public MemberReference GetMethod 
+        {
+            get => this.DeclaringType.GetMember(
+                $"Get{AttachedEntitiesHelper.GetPropertyName(fieldDefinition.Name)}", 
+                m => (m as MethodReference)?.Parameters.Count == 1);
+        }
+        public MemberReference SetMethod
+        {
+            get => this.DeclaringType.GetMember(
+                $"Set{AttachedEntitiesHelper.GetPropertyName(fieldDefinition.Name)}",
+                m => (m as MethodReference)?.Parameters.Count == 2);
+        }
+
+        public Collection<CustomAttribute> CustomAttributes => fieldDefinition.CustomAttributes;
+        public bool HasCustomAttributes => fieldDefinition.HasCustomAttributes;
+
+        public bool IsSpecialName
+        {
+            get { return fieldDefinition.IsSpecialName; }
+            set { fieldDefinition.IsSpecialName = value; }
+        }
+
+        public bool IsRuntimeSpecialName
+        {
+            get { return fieldDefinition.IsRuntimeSpecialName; }
+            set { fieldDefinition.IsRuntimeSpecialName = value; }
+        }
+
+        public new TypeDefinition DeclaringType
+        {
+            get { return fieldDefinition.DeclaringType; }
+            set { fieldDefinition.DeclaringType = value; }
+        }
+    }
+}