src/vs/workbench/services/preferences/browser/keybindingsEditorModel.ts/KeybindingItemMatches/matchesWords
class KeybindingItemMatches:	private matchesWords(words: string[], wordToMatchAgainst: string, wordMatchesFilter: IFilter): IMatch[] | null {
		let matches: IMatch[] | null = [];
		for (const word of words) {
			const wordMatches = wordMatchesFilter(word, wordToMatchAgainst);
			if (wordMatches) {
				matches = [...(matches || []), ...wordMatches];
			} else {
				matches = null;
				break;
			}
		}
		return matches;
	}