export declare enum WorkflowStatus {
    /**
     * The workflow is still active and has not yet finished
     */
    Running = "running",
    /**
     * The workflow has completed and will not receive further messages
     */
    Complete = "complete",
    /**
     * A pseudo status to indicate that changes to the current state should not be persisted
     */
    Discard = "discard"
}
/**
 * A base workflow state definition to model and persist the state of a workflow throughout
 * its lifespan.
 */
export declare abstract class WorkflowState {
    /**
     * Unique identifier of the workflow state
     */
    $workflowId: string;
    /**
     * Used to manage concurrency when storing the workflow state. This value is incremented
     * each time the data is persisted which keeps locking of data low.
     */
    $version: number;
    /**
     * Marks if the workflow is currently running or has ended
     */
    $status: WorkflowStatus;
    /**
     * A unique name for the workflow state. This should be formatted in a namespace style,
     * ie: 'company/application/workflow-name'
     * eg: $name = 'node-ts/bus-core/my-workflow'
     */
    abstract readonly $name: string;
}
export type WorkflowStateConstructor<TWorkflowState extends WorkflowState = WorkflowState> = new () => TWorkflowState;