src/vs/workbench/services/preferences/browser/keybindingsEditorModel.ts/KeybindingItemMatches/matchPart
class KeybindingItemMatches:	private matchPart(part: ResolvedKeybindingPart | null, match: KeybindingMatch, word: string, completeMatch: boolean): boolean {
		let matched = false;
		if (this.matchesMetaModifier(part, word)) {
			matched = true;
			match.metaKey = true;
		}
		if (this.matchesCtrlModifier(part, word)) {
			matched = true;
			match.ctrlKey = true;
		}
		if (this.matchesShiftModifier(part, word)) {
			matched = true;
			match.shiftKey = true;
		}
		if (this.matchesAltModifier(part, word)) {
			matched = true;
			match.altKey = true;
		}
		if (this.matchesKeyCode(part, word, completeMatch)) {
			match.keyCode = true;
			matched = true;
		}
		return matched;
	}