/**
 * Resolves file paths for global or service-scoped scaffold state.
 * When `service` is undefined, paths resolve to `.scaffold/`.
 * When `service` is provided, paths resolve to `.scaffold/services/{name}/`.
 */
export declare class StatePathResolver {
    private readonly projectRoot;
    private readonly service?;
    constructor(projectRoot: string, service?: string | undefined);
    get scaffoldDir(): string;
    get rootScaffoldDir(): string;
    get statePath(): string;
    get lockPath(): string;
    get decisionsPath(): string;
    get reworkPath(): string;
    /** Whether this resolver targets a specific service (vs root/global). */
    get isServiceScoped(): boolean;
    /** The service name, if service-scoped. */
    get serviceName(): string | undefined;
    /** Create the scaffold directory if it doesn't exist. */
    ensureDir(): void;
}
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