src/vs/editor/browser/viewParts/minimap/minimap.ts/InnerMinimap/onTokensChanged
class InnerMinimap:	public onTokensChanged(ranges: { fromLineNumber: number; toLineNumber: number }[]): boolean {
		if (this._lastRenderData) {
			return this._lastRenderData.onTokensChanged(ranges);
		}
		return false;
	}