public void ReverseRange()

in binding/HarfBuzzSharp/Buffer.cs [293:344]
40 lines of code
6 McCabe index (conditional complexity)

		public void ReverseRange (int start, int end) =>
			HarfBuzzApi.hb_buffer_reverse_range (Handle, (uint)start, (uint)(end == -1 ? Length : end));

		public void ReverseClusters () => HarfBuzzApi.hb_buffer_reverse_clusters (Handle);

		public string SerializeGlyphs () =>
			SerializeGlyphs (0, -1, null, SerializeFormat.Text, SerializeFlag.Default);

		public string SerializeGlyphs (int start, int end) =>
			SerializeGlyphs (start, end, null, SerializeFormat.Text, SerializeFlag.Default);

		public string SerializeGlyphs (Font font) =>
			SerializeGlyphs (0, -1, font, SerializeFormat.Text, SerializeFlag.Default);

		public string SerializeGlyphs (Font font, SerializeFormat format, SerializeFlag flags) =>
			SerializeGlyphs (0, -1, font, format, flags);

		public unsafe string SerializeGlyphs (int start, int end, Font font, SerializeFormat format, SerializeFlag flags)
		{
			if (Length == 0)
				throw new InvalidOperationException ("Buffer should not be empty.");
			if (ContentType != ContentType.Glyphs)
				throw new InvalidOperationException ("ContentType should be of type Glyphs.");

			if (end == -1)
				end = Length;

			using var buffer = MemoryPool<byte>.Shared.Rent ();
			using var pinned = buffer.Memory.Pin ();

			var bufferSize = buffer.Memory.Length;
			var currentPosition = (uint)start;
			var builder = new StringBuilder (bufferSize);

			while (currentPosition < end) {
				uint consumed;
				currentPosition += HarfBuzzApi.hb_buffer_serialize_glyphs (
					Handle,
					(uint)currentPosition,
					(uint)end,
					pinned.Pointer,
					(uint)bufferSize,
					&consumed,
					font?.Handle ?? IntPtr.Zero,
					format,
					flags);

				builder.Append (Marshal.PtrToStringAnsi ((IntPtr)pinned.Pointer, (int)consumed));
			}

			return builder.ToString ();
		}