import type { EnqueueWorkflowEventInput, DurableWorkflowExecution, ProcessPendingExecutionsInput, ProcessPendingExecutionsResult } from "@duraflows/core";
import { WorkflowHandle } from "@duraflows/core";
import type { WorkflowRuntime, CreateWorkflowInstanceInput, TriggerWorkflowEventInput, GetAvailableEventsInput, WorkflowDefinition, WorkflowInstance, WorkflowExecutionResult, AvailableWorkflowEvent, WorkflowHistoryRecord, DefinitionVersionSummary, MigrateInstancesInput, MigrateInstancesResult } from "@duraflows/core";
export declare class WorkflowService {
    private readonly runtime;
    constructor(runtime: WorkflowRuntime);
    createInstance(input: CreateWorkflowInstanceInput): Promise<WorkflowInstance>;
    /**
     * Type-safe variant of {@link createInstance} that binds the resulting
     * instance's `currentState` to the state union of the supplied
     * `WorkflowDefinition`. Use when the caller has a typed definition in
     * hand and wants to avoid widening `currentState` to `string`.
     *
     * The `workflowName` is read from the definition; callers pass only the
     * non-name portion of `CreateWorkflowInstanceInput`.
     */
    createInstanceFor<TState extends string>(definition: WorkflowDefinition<TState>, input?: Omit<CreateWorkflowInstanceInput, "workflowName">): Promise<WorkflowInstance<TState>>;
    triggerEvent(input: TriggerWorkflowEventInput): Promise<WorkflowExecutionResult>;
    /**
     * Type-safe variant of {@link triggerEvent} that narrows the resulting
     * `fromState`/`toState` to the state union of the supplied
     * `WorkflowDefinition`. Use when the caller has a typed definition in
     * hand and wants to avoid widening to `string`.
     *
     * Does not validate at runtime that the instance belongs to the given
     * definition — that is the caller's responsibility (typically enforced
     * upstream when the instance was created via `createInstanceFor`).
     */
    triggerEventFor<TState extends string>(definition: WorkflowDefinition<TState>, input: TriggerWorkflowEventInput): Promise<WorkflowExecutionResult<TState>>;
    enqueueEvent(input: EnqueueWorkflowEventInput): Promise<DurableWorkflowExecution>;
    getExecution(uuid: string): Promise<DurableWorkflowExecution | null>;
    processPendingExecutions(input?: ProcessPendingExecutionsInput): Promise<ProcessPendingExecutionsResult>;
    retryExecution(uuid: string): Promise<DurableWorkflowExecution>;
    cancelExecution(uuid: string): Promise<DurableWorkflowExecution>;
    getAvailableEvents(input: GetAvailableEventsInput): Promise<AvailableWorkflowEvent[]>;
    getInstance(uuid: string): Promise<WorkflowInstance | null>;
    getHistory(workflowInstanceUuid: string, options?: {
        limit?: number;
        offset?: number;
    }): Promise<WorkflowHistoryRecord[]>;
    listDefinitionVersions(workflowName: string): Promise<DefinitionVersionSummary[]>;
    migrateInstances(input: MigrateInstancesInput): Promise<MigrateInstancesResult>;
    getHandle(uuid: string): WorkflowHandle;
}
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