src/vs/workbench/browser/workbench.ts/Workbench/setFontAliasing
class Workbench:	private setFontAliasing(configurationService: IConfigurationService) {
		if (!isMacintosh) {
			return; // macOS only
		}

		const aliasing = configurationService.getValue<'default' | 'antialiased' | 'none' | 'auto'>('workbench.fontAliasing');
		if (this.fontAliasing === aliasing) {
			return;
		}

		this.fontAliasing = aliasing;

		// Remove all
		const fontAliasingValues: (typeof aliasing)[] = ['antialiased', 'none', 'auto'];
		this.container.classList.remove(...fontAliasingValues.map(value => `monaco-font-aliasing-${value}`));

		// Add specific
		if (fontAliasingValues.some(option => option === aliasing)) {
			this.container.classList.add(`monaco-font-aliasing-${aliasing}`);
		}
	}