src/vs/platform/contextkey/common/contextkey.ts/ContextKeyExpr/_deserializeValue
class ContextKeyExpr:	private static _deserializeValue(serializedValue: string, strict: boolean): any {
		serializedValue = serializedValue.trim();

		if (serializedValue === 'true') {
			return true;
		}

		if (serializedValue === 'false') {
			return false;
		}

		const m = /^'([^']*)'$/.exec(serializedValue);
		if (m) {
			return m[1].trim();
		}

		return serializedValue;
	}