isUsed(runtime) {
		if (this._redirectTo !== undefined) {
			if (this._redirectTo.isUsed(runtime)) {
				return true;
			}
		} else if (this._otherExportsInfo.getUsed(runtime) !== UsageState.Unused) {
			return true;
		}
		for (const exportInfo of this._exports.values()) {
			if (exportInfo.getUsed(runtime) !== UsageState.Unused) {
				return true;
			}
		}
		return false;
	}
@param {RuntimeSpec} runtime the runtime
@returns {boolean} true, when the module exports are used in any way