src/vs/editor/common/viewModel/minimapTokensColorTracker.ts/MinimapTokensColorTracker/getInstance
class MinimapTokensColorTracker:	public static getInstance(): MinimapTokensColorTracker {
		if (!this._INSTANCE) {
			this._INSTANCE = markAsSingleton(new MinimapTokensColorTracker());
		}
		return this._INSTANCE;
	}