src/vs/editor/common/viewModel/minimapTokensColorTracker.ts/MinimapTokensColorTracker/constructor
class MinimapTokensColorTracker:	private constructor() {
		super();
		this._updateColorMap();
		this._register(TokenizationRegistry.onDidChange(e => {
			if (e.changedColorMap) {
				this._updateColorMap();
			}
		}));
	}