using System.ComponentModel;
using Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax;

namespace Microsoft.CodeAnalysis.CSharp.Syntax;

public sealed class ArgumentSyntax : CSharpSyntaxNode
{
	private NameColonSyntax? nameColon;

	private ExpressionSyntax? expression;

	[EditorBrowsable(EditorBrowsableState.Never)]
	public SyntaxToken RefOrOutKeyword => RefKindKeyword;

	public NameColonSyntax? NameColon => ((SyntaxNode)this).GetRedAtZero<NameColonSyntax>(ref nameColon);

	public SyntaxToken RefKindKeyword
	{
		get
		{
			//IL_002e: Unknown result type (might be due to invalid IL or missing references)
			//IL_0016: Unknown result type (might be due to invalid IL or missing references)
			//IL_001c: Unknown result type (might be due to invalid IL or missing references)
			SyntaxToken refKindKeyword = ((Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.ArgumentSyntax)(object)((SyntaxNode)this).Green).refKindKeyword;
			if (refKindKeyword == null)
			{
				return default(SyntaxToken);
			}
			return new SyntaxToken((SyntaxNode)(object)this, (GreenNode)(object)refKindKeyword, ((SyntaxNode)this).GetChildPosition(1), ((SyntaxNode)this).GetChildIndex(1));
		}
	}

	public ExpressionSyntax Expression => ((SyntaxNode)this).GetRed<ExpressionSyntax>(ref expression, 2);

	[EditorBrowsable(EditorBrowsableState.Never)]
	public ArgumentSyntax WithRefOrOutKeyword(SyntaxToken refOrOutKeyword)
	{
		//IL_0007: Unknown result type (might be due to invalid IL or missing references)
		return Update(NameColon, refOrOutKeyword, Expression);
	}

	internal ArgumentSyntax(Microsoft.CodeAnalysis.CSharp.Syntax.InternalSyntax.CSharpSyntaxNode green, SyntaxNode? parent, int position)
		: base((GreenNode)(object)green, parent, position)
	{
	}

	internal override SyntaxNode? GetNodeSlot(int index)
	{
		return (SyntaxNode?)(index switch
		{
			0 => ((SyntaxNode)this).GetRedAtZero<NameColonSyntax>(ref nameColon), 
			2 => ((SyntaxNode)this).GetRed<ExpressionSyntax>(ref expression, 2), 
			_ => null, 
		});
	}

	internal override SyntaxNode? GetCachedSlot(int index)
	{
		return (SyntaxNode?)(index switch
		{
			0 => nameColon, 
			2 => expression, 
			_ => null, 
		});
	}

	public override void Accept(CSharpSyntaxVisitor visitor)
	{
		visitor.VisitArgument(this);
	}

	public override TResult? Accept<TResult>(CSharpSyntaxVisitor<TResult> visitor)
	{
		return visitor.VisitArgument(this);
	}

	public ArgumentSyntax Update(NameColonSyntax? nameColon, SyntaxToken refKindKeyword, ExpressionSyntax expression)
	{
		//IL_0021: Unknown result type (might be due to invalid IL or missing references)
		//IL_0009: Unknown result type (might be due to invalid IL or missing references)
		//IL_000b: Unknown result type (might be due to invalid IL or missing references)
		if (nameColon != NameColon || refKindKeyword != RefKindKeyword || expression != Expression)
		{
			ArgumentSyntax argumentSyntax = SyntaxFactory.Argument(nameColon, refKindKeyword, expression);
			SyntaxAnnotation[] annotations = ((SyntaxNode)this).GetAnnotations();
			if (annotations == null || annotations.Length == 0)
			{
				return argumentSyntax;
			}
			return argumentSyntax.WithAnnotations(annotations);
		}
		return this;
	}

	public ArgumentSyntax WithNameColon(NameColonSyntax? nameColon)
	{
		//IL_0003: Unknown result type (might be due to invalid IL or missing references)
		return Update(nameColon, RefKindKeyword, Expression);
	}

	public ArgumentSyntax WithRefKindKeyword(SyntaxToken refKindKeyword)
	{
		//IL_0007: Unknown result type (might be due to invalid IL or missing references)
		return Update(NameColon, refKindKeyword, Expression);
	}

	public ArgumentSyntax WithExpression(ExpressionSyntax expression)
	{
		//IL_0008: Unknown result type (might be due to invalid IL or missing references)
		return Update(NameColon, RefKindKeyword, expression);
	}
}