diff --git a/samples/OptionAnalyzer.Test/UnitTests.fs b/samples/OptionAnalyzer.Test/UnitTests.fs
index 1546fe5..8f52132 100644
--- a/samples/OptionAnalyzer.Test/UnitTests.fs
+++ b/samples/OptionAnalyzer.Test/UnitTests.fs
@@ -4,7 +4,6 @@ module OptionAnalyzer.Test
 
 open FSharp.Compiler.CodeAnalysis
 open NUnit.Framework
-open FSharp.Compiler.Text
 open FSharp.Analyzers.SDK
 open FSharp.Analyzers.SDK.Testing
 open FSharp.Analyzers.SDK
diff --git a/samples/OptionAnalyzer/Library.fs b/samples/OptionAnalyzer/Library.fs
index 8e0ff5a..8cbd4d5 100644
--- a/samples/OptionAnalyzer/Library.fs
+++ b/samples/OptionAnalyzer/Library.fs
@@ -3,7 +3,6 @@
 open System
 open FSharp.Analyzers.SDK
 open FSharp.Analyzers.SDK.TASTCollecting
-open FSharp.Compiler.Text
 
 let notUsed () =
     let option: Option<int> = None
@@ -11,7 +10,7 @@ let notUsed () =
 
 let handler typeTree =
     async {
-        let state = ResizeArray<range>()
+        let state = ResizeArray<Range>()
 
         let walker =
             { new TypedTreeCollectorBase() with
diff --git a/src/FSharp.Analyzers.SDK/FSharp.Analyzers.SDK.fs b/src/FSharp.Analyzers.SDK/FSharp.Analyzers.SDK.fs
index e0400e8..a0c3c86 100644
--- a/src/FSharp.Analyzers.SDK/FSharp.Analyzers.SDK.fs
+++ b/src/FSharp.Analyzers.SDK/FSharp.Analyzers.SDK.fs
@@ -12,6 +12,49 @@ open System.Runtime.InteropServices
 open FSharp.Compiler.Text
 open FSharp.Compiler.SyntaxTrivia
 
+[<Struct>]
+type Position =
+    {
+        Line: int
+        Column: int
+    }
+
+    static member mkPos (line: int) (column: int) : Position = { Line = line; Column = column }
+
+[<Struct>]
+type Range =
+    {
+        FileName: string
+        Start: Position
+        End: Position
+    }
+
+    member r.StartLine = r.Start.Line
+    member r.StartColumn = r.Start.Column
+    member r.EndLine = r.End.Line
+    member r.EndColumn = r.End.Column
+
+    static member mkRange (fileName: string) (startPos: Position) (endPos: Position) : Range =
+        {
+            FileName = fileName
+            Start = startPos
+            End = endPos
+        }
+
+/// Helpers for converting FCS position/range types to SDK types.
+/// Useful for analyzer authors who work with FCS types and need to produce SDK messages.
+module RangeConversions =
+    /// Converts an FCS pos to an SDK Position.
+    let ofFcsPos (p: FSharp.Compiler.Text.pos) : Position = { Line = p.Line; Column = p.Column }
+
+    /// Converts an FCS range to an SDK Range.
+    let ofFcsRange (r: FSharp.Compiler.Text.range) : Range =
+        {
+            FileName = r.FileName
+            Start = ofFcsPos r.Start
+            End = ofFcsPos r.End
+        }
+
 [<RequireQualifiedAccess>]
 type IgnoreComment =
     | CurrentLine of line: int * codes: string list
@@ -362,7 +405,7 @@ type EditorContext =
 
 type Fix =
     {
-        FromRange: range
+        FromRange: Range
         FromText: string
         ToText: string
     }
@@ -380,7 +423,7 @@ type Message =
         Message: string
         Code: string
         Severity: Severity
-        Range: range
+        Range: Range
         Fixes: Fix list
     }
 
diff --git a/src/FSharp.Analyzers.SDK/FSharp.Analyzers.SDK.fsi b/src/FSharp.Analyzers.SDK/FSharp.Analyzers.SDK.fsi
index fcdad39..a1eabed 100644
--- a/src/FSharp.Analyzers.SDK/FSharp.Analyzers.SDK.fsi
+++ b/src/FSharp.Analyzers.SDK/FSharp.Analyzers.SDK.fsi
@@ -8,6 +8,54 @@ open FSharp.Compiler.Symbols
 open FSharp.Compiler.EditorServices
 open FSharp.Compiler.Text
 
+/// Represents a position (line and column) in a source file.
+/// This type is independent of any compiler implementation.
+[<Struct>]
+type Position =
+    {
+        /// 1-based line number.
+        Line: int
+        /// 0-based column number.
+        Column: int
+    }
+
+    /// Creates a Position from a line and column.
+    static member mkPos: line: int -> column: int -> Position
+
+/// Represents a range (start and end position) in a source file.
+/// This type is independent of any compiler implementation.
+[<Struct>]
+type Range =
+    {
+        /// The file name this range belongs to.
+        FileName: string
+        /// Start position of the range.
+        Start: Position
+        /// End position of the range.
+        End: Position
+    }
+
+    /// 1-based start line of the range.
+    member StartLine: int
+    /// 0-based start column of the range.
+    member StartColumn: int
+    /// 1-based end line of the range.
+    member EndLine: int
+    /// 0-based end column of the range.
+    member EndColumn: int
+
+    /// Creates a Range from a file name and start/end positions.
+    static member mkRange: fileName: string -> startPos: Position -> endPos: Position -> Range
+
+/// Helpers for converting FCS position/range types to SDK types.
+/// Useful for analyzer authors who work with FCS types and need to produce SDK messages.
+module RangeConversions =
+    /// Converts an FCS pos to an SDK Position.
+    val ofFcsPos: p: FSharp.Compiler.Text.pos -> Position
+
+    /// Converts an FCS range to an SDK Range.
+    val ofFcsRange: r: FSharp.Compiler.Text.range -> Range
+
 type AnalyzerIgnoreRange =
     | File
     | Range of commentStart: int * commentEnd: int
@@ -155,7 +203,7 @@ type EditorContext =
 
 type Fix =
     {
-        FromRange: range
+        FromRange: Range
         FromText: string
         ToText: string
     }
@@ -173,7 +221,7 @@ type Message =
         Message: string
         Code: string
         Severity: Severity
-        Range: range
+        Range: Range
         Fixes: Fix list
     }
 
diff --git a/src/FSharp.Analyzers.SDK/FSharp.Analyzers.SDK.fsproj b/src/FSharp.Analyzers.SDK/FSharp.Analyzers.SDK.fsproj
index c03f91c..f3843ef 100644
--- a/src/FSharp.Analyzers.SDK/FSharp.Analyzers.SDK.fsproj
+++ b/src/FSharp.Analyzers.SDK/FSharp.Analyzers.SDK.fsproj
@@ -12,10 +12,10 @@
   <ItemGroup>
     <Compile Include="ASTCollecting.fsi" />
     <Compile Include="ASTCollecting.fs" />
-    <Compile Include="TASTCollecting.fsi" />
-    <Compile Include="TASTCollecting.fs" />
     <Compile Include="FSharp.Analyzers.SDK.fsi" />
     <Compile Include="FSharp.Analyzers.SDK.fs" />
+    <Compile Include="TASTCollecting.fsi" />
+    <Compile Include="TASTCollecting.fs" />
     <Compile Include="FSharp.Analyzers.SDK.Client.fsi" />
     <Compile Include="FSharp.Analyzers.SDK.Client.fs" />
   </ItemGroup>
diff --git a/src/FSharp.Analyzers.SDK/TASTCollecting.fs b/src/FSharp.Analyzers.SDK/TASTCollecting.fs
index 8e659fe..c69dbd1 100644
--- a/src/FSharp.Analyzers.SDK/TASTCollecting.fs
+++ b/src/FSharp.Analyzers.SDK/TASTCollecting.fs
@@ -29,7 +29,7 @@ module TASTCollecting =
             objExprTypeArgs: FSharpType list ->
             memberOrFuncTypeArgs: FSharpType list ->
             argExprs: FSharpExpr list ->
-            exprRange: range ->
+            exprRange: FSharp.Analyzers.SDK.Range ->
                 unit
 
         default _.WalkCall _ _ _ _ _ _ = ()
@@ -118,7 +118,10 @@ module TASTCollecting =
         default _.WalkNewObject _ _ _ = ()
 
         abstract WalkNewRecord:
-            recordType: FSharpType -> argExprs: FSharpExpr list -> exprRange: range -> unit
+            recordType: FSharpType ->
+            argExprs: FSharpExpr list ->
+            exprRange: FSharp.Analyzers.SDK.Range ->
+                unit
 
         default _.WalkNewRecord _ _ _ = ()
 
@@ -282,7 +285,7 @@ module TASTCollecting =
                 objExprTypeArgs
                 memberOrFuncTypeArgs
                 argExprs
-                e.Range
+                (RangeConversions.ofFcsRange e.Range)
 
             visitObjArg handler objExprOpt
             visitExprs handler argExprs
@@ -343,7 +346,7 @@ module TASTCollecting =
             handler.WalkNewObject objType typeArgs argExprs
             visitExprs handler argExprs
         | NewRecord(recordType, argExprs) ->
-            handler.WalkNewRecord recordType argExprs e.Range
+            handler.WalkNewRecord recordType argExprs (RangeConversions.ofFcsRange e.Range)
             visitExprs handler argExprs
         | NewTuple(tupleType, argExprs) ->
             handler.WalkNewTuple tupleType argExprs
diff --git a/src/FSharp.Analyzers.SDK/TASTCollecting.fsi b/src/FSharp.Analyzers.SDK/TASTCollecting.fsi
index fd8cdc6..b4d4c8c 100644
--- a/src/FSharp.Analyzers.SDK/TASTCollecting.fsi
+++ b/src/FSharp.Analyzers.SDK/TASTCollecting.fsi
@@ -3,7 +3,6 @@ namespace FSharp.Analyzers.SDK
 open Microsoft.Extensions.Logging
 open FSharp.Compiler.Symbols
 open FSharp.Compiler.Syntax
-open FSharp.Compiler.Text
 
 module TASTCollecting =
 
@@ -34,7 +33,7 @@ module TASTCollecting =
             objExprTypeArgs: FSharpType list ->
             memberOrFuncTypeArgs: FSharpType list ->
             argExprs: FSharpExpr list ->
-            exprRange: range ->
+            exprRange: Range ->
                 unit
 
         default WalkCall:
@@ -43,7 +42,7 @@ module TASTCollecting =
             objTypeArgs: FSharpType list ->
             memberOrFuncTypeArgs: FSharpType list ->
             argExprs: FSharpExpr list ->
-            exprRange: range ->
+            exprRange: Range ->
                 unit
 
         /// Overwriting this member hooks up a custom operation for type coercion.
@@ -177,10 +176,10 @@ module TASTCollecting =
 
         /// Overwriting this member hooks up a custom operation for the creation of a new record instance.
         abstract WalkNewRecord:
-            recordType: FSharpType -> argExprs: FSharpExpr list -> exprRange: range -> unit
+            recordType: FSharpType -> argExprs: FSharpExpr list -> exprRange: Range -> unit
 
         default WalkNewRecord:
-            recordType: FSharpType -> argExprs: FSharpExpr list -> exprRange: range -> unit
+            recordType: FSharpType -> argExprs: FSharpExpr list -> exprRange: Range -> unit
 
         /// Overwriting this member hooks up a custom operation for the creation of a new tuple instance.
         abstract WalkNewTuple: tupleType: FSharpType -> argExprs: FSharpExpr list -> unit