remove static array fields as they're not used for anything

src/Microsoft.DotNet.Wpf/src/PresentationFramework/MS/Internal/Annotations/Anchoring/FixedTextSelectionProcessor.cs

@@ -371,7 +371,7 @@ public override Object ResolveLocatorPart(ContentLocatorPart locatorPart, Depend
         ///     Returns a list of XmlQualifiedNames representing the
         ///     the locator parts this processor can resolve/generate.
         /// </summary>
-        public override ReadOnlySpan<XmlQualifiedName> GetLocatorPartTypes() => s_locatorPartTypeNames;
+        public override ReadOnlySpan<XmlQualifiedName> GetLocatorPartTypes() => new(in s_fixedTextElementName);
 
         #endregion Public Methods
 
@@ -623,9 +623,6 @@ private static bool GetTextViewRange(DocumentPage documentPage, out ITextPointer
         // Name of locator part element
         private static readonly XmlQualifiedName s_fixedTextElementName = new("FixedTextRange", AnnotationXmlConstants.Namespaces.BaseSchemaNamespace);
 
-        // ContentLocatorPart types understood by this processor
-        private static readonly XmlQualifiedName[] s_locatorPartTypeNames = [s_fixedTextElementName];
-
         #endregion Private Fields
 
         #region Internal Classes

src/Microsoft.DotNet.Wpf/src/PresentationFramework/MS/Internal/Annotations/Anchoring/TextSelectionProcessor.cs

@@ -302,7 +302,7 @@ public override Object ResolveLocatorPart(ContentLocatorPart locatorPart, Depend
         ///     Returns a list of XmlQualifiedNames representing the
         ///     the locator parts this processor can resolve/generate.
         /// </summary>
-        public override ReadOnlySpan<XmlQualifiedName> GetLocatorPartTypes() => s_locatorPartTypeNames;
+        public override ReadOnlySpan<XmlQualifiedName> GetLocatorPartTypes() => new(in s_characterRangeElementName);
 
         #endregion Public Methods
 
@@ -555,9 +555,6 @@ private void GetTextSegmentValues(TextSegment segment, ITextPointer elementStart
 
         #region Private Fields
 
-        // ContentLocatorPart types understood by this processor
-        private static readonly XmlQualifiedName[] s_locatorPartTypeNames = [s_characterRangeElementName];
-
         // Optional DPV - used in printing case when there is no viewer available
         private DocumentPageView _targetPage = null;
 

src/Microsoft.DotNet.Wpf/src/PresentationFramework/MS/Internal/Annotations/Anchoring/TextViewSelectionProcessor.cs

@@ -190,7 +190,7 @@ public override Object ResolveLocatorPart(ContentLocatorPart locatorPart, Depend
         ///     the locator parts this processor can generate.  This processor
         ///     does not resolve these ContentLocatorParts - only generates them.
         /// </summary>
-        public override ReadOnlySpan<XmlQualifiedName> GetLocatorPartTypes() => s_locatorPartTypeNames;
+        public override ReadOnlySpan<XmlQualifiedName> GetLocatorPartTypes() => ReadOnlySpan<XmlQualifiedName>.Empty;
 
         #endregion Public Methods
 
@@ -288,9 +288,6 @@ private ITextView VerifySelection(object selection)
 
         #region Private Fields
 
-        // ContentLocator part types understood by this processor
-        private static readonly XmlQualifiedName[] s_locatorPartTypeNames = Array.Empty<XmlQualifiedName>();
-
         #endregion Private Fields
     }
 }

src/Microsoft.DotNet.Wpf/src/PresentationFramework/MS/Internal/Annotations/Anchoring/TreeNodeSelectionProcessor.cs

@@ -177,7 +177,7 @@ public override Object ResolveLocatorPart(ContentLocatorPart locatorPart, Depend
         ///     Returns a list of XmlQualifiedNames representing the
         ///     the locator parts this processor can resolve/generate.
         /// </summary>
-        public override ReadOnlySpan<XmlQualifiedName> GetLocatorPartTypes() => s_locatorPartTypeNames;
+        public override ReadOnlySpan<XmlQualifiedName> GetLocatorPartTypes() => ReadOnlySpan<XmlQualifiedName>.Empty;
 
         #endregion Public Methods
 
@@ -205,9 +205,6 @@ public override Object ResolveLocatorPart(ContentLocatorPart locatorPart, Depend
 
         #region Private Fields
 
-        // ContentLocatorPart types understood by this processor
-        private static readonly XmlQualifiedName[] s_locatorPartTypeNames = Array.Empty<XmlQualifiedName>();
-
         #endregion Private Fields        
     }
 }