export interface WorkflowNamespace {
    readonly id: string;
    readonly projectKey: string;
    readonly cwd: string;
    readonly storageRoot?: string;
}
export interface WorkflowLease {
    readonly active: boolean;
    release(): Promise<void>;
}
export interface WorkflowLeaseProvider {
    acquire(namespace: Readonly<WorkflowNamespace>): Promise<WorkflowLease>;
    isHeld(namespace: Readonly<WorkflowNamespace>): Promise<boolean>;
}