spectre.console/src/Spectre.Console/BoxBorder.cs

using Spectre.Console.Rendering;

namespace Spectre.Console
{
    /// <summary>
    /// Represents a border.
    /// </summary>
    public abstract partial class BoxBorder
    {
        /// <summary>
        /// Gets the safe border for this border or <c>null</c> if none exist.
        /// </summary>
        public virtual BoxBorder? SafeBorder { get; }

        /// <summary>
        /// Gets the string representation of the specified border part.
        /// </summary>
        /// <param name="part">The part to get the character representation for.</param>
        /// <returns>A character representation of the specified border part.</returns>
        public abstract string GetPart(BoxBorderPart part);
    }
}