osu/osu.Game.Rulesets.Mania/Edit/Blueprints
..
Components
HoldNoteNoteSelectionBlueprint.cs
HoldNotePlacementBlueprint.cs
HoldNotePosition.cs
HoldNoteSelectionBlueprint.cs
ManiaPlacementBlueprint.cs
ManiaSelectionBlueprint.cs
NotePlacementBlueprint.cs
NoteSelectionBlueprint.cs