src/vs/workbench/contrib/preferences/browser/settingsTreeModels.ts/SettingsTreeSettingElement/matchesAllTags
class SettingsTreeSettingElement:	matchesAllTags(tagFilters?: Set<string>): boolean {
		if (!tagFilters || !tagFilters.size) {
			return true;
		}

		if (this.tags) {
			let hasFilteredTag = true;
			tagFilters.forEach(tag => {
				hasFilteredTag = hasFilteredTag && this.tags!.has(tag);
			});
			return hasFilteredTag;
		} else {
			return false;
		}
	}