using System;
using System.Collections.Generic;

namespace AspClassic.Parser;

/// <summary>
/// A read-only collection of imports.
/// </summary>
public sealed class ImportCollection : CommaDelimitedTreeCollection<Import>
{
	/// <summary>
	/// Constructs a collection of imports.
	/// </summary>
	/// <param name="importMembers">The imports in the collection.</param>
	/// <param name="commaLocations">The location of the commas.</param>
	/// <param name="span">The location of the parse tree.</param>
	public ImportCollection(IList<Import> importMembers, IList<Location> commaLocations, Span span)
		: base(TreeType.ImportCollection, importMembers, commaLocations, span)
	{
		if (importMembers == null || importMembers.Count == 0)
		{
			throw new ArgumentException("ImportCollection cannot be empty.");
		}
	}
}