diff --git a/dotnet/Gherkin/Ast/Background.cs b/dotnet/Gherkin/Ast/Background.cs
index d481b9308c..b8ba890013 100644
--- a/dotnet/Gherkin/Ast/Background.cs
+++ b/dotnet/Gherkin/Ast/Background.cs
@@ -1,4 +1,4 @@
 namespace Gherkin.Ast;
 
-public class Background(Location location, string keyword, string name, string description, Step[] steps)
+public class Background(Location location, string keyword, string name, string description, IEnumerable<Step> steps)
     : StepsContainer(location, keyword, name, description, steps);
\ No newline at end of file
diff --git a/dotnet/Gherkin/Ast/DataTable.cs b/dotnet/Gherkin/Ast/DataTable.cs
index 3b96924169..ca2d4834ca 100644
--- a/dotnet/Gherkin/Ast/DataTable.cs
+++ b/dotnet/Gherkin/Ast/DataTable.cs
@@ -5,10 +5,10 @@ public class DataTable : StepArgument, IHasRows, IHasLocation
     public Location Location { get; private set; }
     public IEnumerable<TableRow> Rows { get; private set; }
 
-    public DataTable(TableRow[] rows)
+    public DataTable(List<TableRow> rows)
     {
         if (rows == null) throw new ArgumentNullException("rows");
-        if (rows.Length == 0) throw new ArgumentException("DataTable must have at least one row", "rows");
+        if (rows.Count == 0) throw new ArgumentException("DataTable must have at least one row", "rows");
 
         Location = rows[0].Location;
         Rows = rows;
diff --git a/dotnet/Gherkin/Ast/Examples.cs b/dotnet/Gherkin/Ast/Examples.cs
index 8520886b0a..cd5f24c76b 100644
--- a/dotnet/Gherkin/Ast/Examples.cs
+++ b/dotnet/Gherkin/Ast/Examples.cs
@@ -1,6 +1,6 @@
 namespace Gherkin.Ast;
 
-public class Examples(Tag[] tags, Location location, string keyword, string name, string description, TableRow header, TableRow[] body)
+public class Examples(IEnumerable<Tag> tags, Location location, string keyword, string name, string description, TableRow header, IEnumerable<TableRow> body)
     : IHasLocation, IHasDescription, IHasRows, IHasTags
 {
     public IEnumerable<Tag> Tags { get; } = tags;
diff --git a/dotnet/Gherkin/Ast/Feature.cs b/dotnet/Gherkin/Ast/Feature.cs
index 22676e2059..85bdfa6dc8 100644
--- a/dotnet/Gherkin/Ast/Feature.cs
+++ b/dotnet/Gherkin/Ast/Feature.cs
@@ -1,6 +1,6 @@
 namespace Gherkin.Ast;
 
-public class Feature(Tag[] tags, Location location, string language, string keyword, string name, string description, IHasLocation[] children)
+public class Feature(IEnumerable<Tag> tags, Location location, string language, string keyword, string name, string description, IEnumerable<IHasLocation> children)
     : IHasLocation, IHasDescription, IHasTags, IHasChildren
 {
     public IEnumerable<Tag> Tags { get; } = tags;
diff --git a/dotnet/Gherkin/Ast/GherkinDocument.cs b/dotnet/Gherkin/Ast/GherkinDocument.cs
index 87c7e7b549..3ed039d1f2 100644
--- a/dotnet/Gherkin/Ast/GherkinDocument.cs
+++ b/dotnet/Gherkin/Ast/GherkinDocument.cs
@@ -1,6 +1,6 @@
 namespace Gherkin.Ast;
 
-public class GherkinDocument(Feature feature, Comment[] comments)
+public class GherkinDocument(Feature feature, IEnumerable<Comment> comments)
 {
     public Feature Feature { get; } = feature;
     public IEnumerable<Comment> Comments { get; } = comments;
diff --git a/dotnet/Gherkin/Ast/Rule.cs b/dotnet/Gherkin/Ast/Rule.cs
index fc9905ef80..f89e4d50d9 100644
--- a/dotnet/Gherkin/Ast/Rule.cs
+++ b/dotnet/Gherkin/Ast/Rule.cs
@@ -1,6 +1,6 @@
 namespace Gherkin.Ast;
 
-public class Rule(Tag[] tags, Location location, string keyword, string name, string description, IHasLocation[] children)
+public class Rule(IEnumerable<Tag> tags, Location location, string keyword, string name, string description, IEnumerable<IHasLocation> children)
     : IHasLocation, IHasDescription, IHasChildren, IHasTags
 {
     public Location Location { get; } = location;
diff --git a/dotnet/Gherkin/Ast/Scenario.cs b/dotnet/Gherkin/Ast/Scenario.cs
index be0cfb19a7..b587101f83 100644
--- a/dotnet/Gherkin/Ast/Scenario.cs
+++ b/dotnet/Gherkin/Ast/Scenario.cs
@@ -1,6 +1,6 @@
 namespace Gherkin.Ast;
 
-public class Scenario(Tag[] tags, Location location, string keyword, string name, string description, Step[] steps, Examples[] examples)
+public class Scenario(IEnumerable<Tag> tags, Location location, string keyword, string name, string description, IEnumerable<Step> steps, IEnumerable<Examples> examples)
     : StepsContainer(location, keyword, name, description, steps), IHasTags
 {
     public IEnumerable<Tag> Tags { get; } = tags;
diff --git a/dotnet/Gherkin/Ast/StepsContainer.cs b/dotnet/Gherkin/Ast/StepsContainer.cs
index ec6985ddbb..e84e08bd2a 100644
--- a/dotnet/Gherkin/Ast/StepsContainer.cs
+++ b/dotnet/Gherkin/Ast/StepsContainer.cs
@@ -1,6 +1,6 @@
 namespace Gherkin.Ast;
 
-public abstract class StepsContainer(Location location, string keyword, string name, string description, Step[] steps)
+public abstract class StepsContainer(Location location, string keyword, string name, string description, IEnumerable<Step> steps)
     : IHasLocation, IHasDescription, IHasSteps
 {
     public Location Location { get; } = location;
diff --git a/dotnet/Gherkin/Ast/TableRow.cs b/dotnet/Gherkin/Ast/TableRow.cs
index cdb7d55d94..315f0af3f9 100644
--- a/dotnet/Gherkin/Ast/TableRow.cs
+++ b/dotnet/Gherkin/Ast/TableRow.cs
@@ -1,6 +1,6 @@
 namespace Gherkin.Ast;
 
-public class TableRow(Location location, TableCell[] cells) : IHasLocation
+public class TableRow(Location location, IEnumerable<TableCell> cells) : IHasLocation
 {
     public Location Location { get; } = location;
     public IEnumerable<TableCell> Cells { get; } = cells;
diff --git a/dotnet/Gherkin/AstBuilder.cs b/dotnet/Gherkin/AstBuilder.cs
index 12ca3927c6..f7ced49768 100644
--- a/dotnet/Gherkin/AstBuilder.cs
+++ b/dotnet/Gherkin/AstBuilder.cs
@@ -92,7 +92,7 @@ private object GetTransformedNode(AstNode node)
 
                     var description = GetDescription(scenarioNode);
                     var steps = GetSteps(scenarioNode);
-                    var examples = scenarioNode.GetItems<Examples>(RuleType.ExamplesDefinition).ToArray();
+                    List<Examples> examples = [.. scenarioNode.GetItems<Examples>(RuleType.ExamplesDefinition)];
                     return CreateScenario(tags, GetLocation(scenarioLine), scenarioLine.MatchedKeyword, scenarioLine.MatchedText, description, steps, examples, node);
                 }
             case RuleType.ExamplesDefinition:
@@ -102,9 +102,9 @@ private object GetTransformedNode(AstNode node)
                     var examplesLine = examplesNode.GetToken(TokenType.ExamplesLine);
                     var description = GetDescription(examplesNode);
 
-                    var allRows = examplesNode.GetSingle<TableRow[]>(RuleType.ExamplesTable);
-                    var header = allRows != null ? allRows.First() : null;
-                    var rows = allRows != null ? allRows.Skip(1).ToArray() : null;
+                    var allRows = examplesNode.GetSingle<List<TableRow>>(RuleType.ExamplesTable);
+                    var header = allRows != null ? allRows[0] : null;
+                    var rows = allRows != null ? allRows.Skip(1).ToList() : null;
                     return CreateExamples(tags, GetLocation(examplesLine), examplesLine.MatchedKeyword, examplesLine.MatchedText, description, header, rows, node);
                 }
             case RuleType.ExamplesTable:
@@ -139,7 +139,7 @@ private object GetTransformedNode(AstNode node)
                     if (featureLine.MatchedGherkinDialect == null) return null;
                     var language = featureLine.MatchedGherkinDialect.Language;
 
-                    return CreateFeature(tags, GetLocation(featureLine), language, featureLine.MatchedKeyword, featureLine.MatchedText, description, children.ToArray(), node);
+                    return CreateFeature(tags, GetLocation(featureLine), language, featureLine.MatchedKeyword, featureLine.MatchedText, description, children, node);
                 }
             case RuleType.Rule:
                 {
@@ -157,7 +157,7 @@ private object GetTransformedNode(AstNode node)
                     var description = GetDescription(header);
                     if (ruleLine.MatchedGherkinDialect == null) return null;
 
-                    return CreateRule(tags, GetLocation(ruleLine), ruleLine.MatchedKeyword, ruleLine.MatchedText, description, children.ToArray(), node);
+                    return CreateRule(tags, GetLocation(ruleLine), ruleLine.MatchedKeyword, ruleLine.MatchedText, description, children, node);
                 }
             case RuleType.GherkinDocument:
                 {
@@ -178,12 +178,12 @@ protected virtual StepKeywordType GetKeywordType(Token stepLine)
         return stepKeywordType.Value;
     }
 
-    protected virtual Background CreateBackground(Location location, string keyword, string name, string description, Step[] steps, AstNode node)
+    protected virtual Background CreateBackground(Location location, string keyword, string name, string description, IEnumerable<Step> steps, AstNode node)
     {
         return new Background(location, keyword, name, description, steps);
     }
 
-    protected virtual DataTable CreateDataTable(TableRow[] rows, AstNode node)
+    protected virtual DataTable CreateDataTable(List<TableRow> rows, AstNode node)
     {
         return new DataTable(rows);
     }
@@ -193,12 +193,12 @@ protected virtual Comment CreateComment(Location location, string text)
         return new Comment(location, text);
     }
 
-    protected virtual Examples CreateExamples(Tag[] tags, Location location, string keyword, string name, string description, TableRow header, TableRow[] body, AstNode node)
+    protected virtual Examples CreateExamples(IEnumerable<Tag> tags, Location location, string keyword, string name, string description, TableRow header, IEnumerable<TableRow> body, AstNode node)
     {
         return new Examples(tags, location, keyword, name, description, header, body);
     }
 
-    protected virtual Scenario CreateScenario(Tag[] tags, Location location, string keyword, string name, string description, Step[] steps, Examples[] examples, AstNode node)
+    protected virtual Scenario CreateScenario(IEnumerable<Tag> tags, Location location, string keyword, string name, string description, IEnumerable<Step> steps, IEnumerable<Examples> examples, AstNode node)
     {
         return new Scenario(tags, location, keyword, name, description, steps, examples);
     }
@@ -213,17 +213,17 @@ protected virtual Step CreateStep(Location location, string keyword, StepKeyword
         return new Step(location, keyword, keywordType, text, argument);
     }
 
-    protected virtual GherkinDocument CreateGherkinDocument(Feature feature, Comment[] gherkinDocumentComments, AstNode node)
+    protected virtual GherkinDocument CreateGherkinDocument(Feature feature, IEnumerable<Comment> gherkinDocumentComments, AstNode node)
     {
         return new GherkinDocument(feature, gherkinDocumentComments);
     }
 
-    protected virtual Feature CreateFeature(Tag[] tags, Location location, string language, string keyword, string name, string description, IHasLocation[] children, AstNode node)
+    protected virtual Feature CreateFeature(IEnumerable<Tag> tags, Location location, string language, string keyword, string name, string description, IEnumerable<IHasLocation> children, AstNode node)
     {
         return new Feature(tags, location, language, keyword, name, description, children);
     }
 
-    protected virtual Rule CreateRule(Tag[] tags, Location location, string keyword, string name, string description, IHasLocation[] children, AstNode node)
+    protected virtual Rule CreateRule(IEnumerable<Tag> tags, Location location, string keyword, string name, string description, IEnumerable<IHasLocation> children, AstNode node)
     {
         return new Rule(tags, location, keyword, name, description, children);
     }
@@ -238,7 +238,7 @@ protected Location CreateLocation(int line, int column)
         return new Location(line, column);
     }
 
-    protected virtual TableRow CreateTableRow(Location location, TableCell[] cells, AstNode node)
+    protected virtual TableRow CreateTableRow(Location location, IEnumerable<TableCell> cells, AstNode node)
     {
         return new TableRow(location, cells);
     }
@@ -253,7 +253,7 @@ private Location GetLocation(Token token, int column = 0)
         return column == 0 ? token.Location : CreateLocation(token.Location.Line, column);
     }
 
-    private Tag[] GetTags(AstNode node)
+    private IEnumerable<Tag> GetTags(AstNode node)
     {
         var tagsNode = node.GetSingle<AstNode>(RuleType.Tags);
         if (tagsNode == null)
@@ -265,10 +265,10 @@ private Tag[] GetTags(AstNode node)
             foreach (var matchedItem in line.MatchedItems)
                 tags.Add(CreateTag(GetLocation(line, matchedItem.Column), matchedItem.Text, tagsNode));
         }
-        return tags.ToArray();
+        return tags;
     }
 
-    private TableRow[] GetTableRows(AstNode node)
+    private List<TableRow> GetTableRows(AstNode node)
     {
         var rows = new List<TableRow>();
         int cellCount = 0;
@@ -290,7 +290,7 @@ private TableRow[] GetTableRows(AstNode node)
             }
             rows.Add(CreateTableRow(rowLocation, cells, node));
         }
-        return rows.ToArray();
+        return rows;
     }
 
     protected virtual void HandleAstError(string message, Location location)
@@ -298,9 +298,9 @@ protected virtual void HandleAstError(string message, Location location)
         throw new AstBuilderException(message, location);
     }
 
-    private static Step[] GetSteps(AstNode scenarioDefinitionNode)
+    private static List<Step> GetSteps(AstNode scenarioDefinitionNode)
     {
-        return scenarioDefinitionNode.GetItems<Step>(RuleType.Step).ToArray();
+        return [..scenarioDefinitionNode.GetItems<Step>(RuleType.Step)];
     }
 
     private static string GetDescription(AstNode scenarioDefinitionNode)
diff --git a/dotnet/Gherkin/Token.cs b/dotnet/Gherkin/Token.cs
index 9aa2416e7e..71d861aa72 100644
--- a/dotnet/Gherkin/Token.cs
+++ b/dotnet/Gherkin/Token.cs
@@ -20,7 +20,7 @@ public Token(Location location)
     public TokenType MatchedType { get; set; }
     public string MatchedKeyword { get; set; }
     public string MatchedText { get; set; }
-    public GherkinLineSpan[] MatchedItems { get; set; }
+    public IEnumerable<GherkinLineSpan> MatchedItems { get; set; }
     public int MatchedIndent { get; set; }
     public GherkinDialect MatchedGherkinDialect { get; set; }
     public Location Location { get; set; }
diff --git a/dotnet/Gherkin/TokenMatcher.cs b/dotnet/Gherkin/TokenMatcher.cs
index d6fbdb6bda..e653cf5888 100644
--- a/dotnet/Gherkin/TokenMatcher.cs
+++ b/dotnet/Gherkin/TokenMatcher.cs
@@ -32,7 +32,7 @@ public void Reset()
             currentDialect = dialectProvider.DefaultDialect;
     }
 
-    protected virtual void SetTokenMatched(Token token, TokenType matchedType, string text = null, string keyword = null, int? indent = null, GherkinLineSpan[] items = null)
+    protected virtual void SetTokenMatched(Token token, TokenType matchedType, string text = null, string keyword = null, int? indent = null, IEnumerable<GherkinLineSpan> items = null)
     {
         token.MatchedType = matchedType;
         token.MatchedKeyword = keyword;
@@ -113,7 +113,7 @@ public bool Match_TagLine(Token token)
     {
         if (token.Line.StartsWith(GherkinLanguageConstants.TAG_PREFIX))
         {
-            SetTokenMatched(token, TokenType.TagLine, items: token.Line.GetTags().ToArray());
+            SetTokenMatched(token, TokenType.TagLine, items: token.Line.GetTags());
             return true;
         }
         return false;
@@ -212,7 +212,7 @@ public bool Match_TableRow(Token token)
     {
         if (token.Line.StartsWith(GherkinLanguageConstants.TABLE_CELL_SEPARATOR))
         {
-            SetTokenMatched(token, TokenType.TableRow, items: token.Line.GetTableCells().ToArray());
+            SetTokenMatched(token, TokenType.TableRow, items: token.Line.GetTableCells());
             return true;
         }
         return false;