Rename Barline -> BarLine.

osu.Game.Rulesets.Mania/Objects/BarLine.cs

@@ -0,0 +1,19 @@
+using osu.Game.Beatmaps.ControlPoints;
+using osu.Game.Rulesets.Objects;
+
+namespace osu.Game.Rulesets.Mania.Objects
+{
+    public class BarLine : ManiaHitObject
+    {
+        /// <summary>
+        /// The control point which this bar line is part of.
+        /// </summary>
+        public TimingControlPoint ControlPoint;
+
+        /// <summary>
+        /// The index of the beat which this bar line represents within the control point.
+        /// This is a "major" beat at <see cref="BeatIndex"/> % <see cref="TimingControlPoint.TimeSignature"/> == 0.
+        /// </summary>
+        public int BeatIndex;
+    }
+}