import type { DurableExecutionOptions } from "@duraflows/core";
import { type DynamicModule, type Type, type InjectionToken, type OptionalFactoryDependency } from "@nestjs/common";
import type { WorkflowDefinition, WorkflowClock, WorkflowPersistenceProvider, WorkflowObserver, ObserverErrorHandler, WorkflowGuard, WorkflowGuardRegistry, WorkflowTimeoutRetryOptions } from "@duraflows/core";
import { type WorkflowCommandRegistration } from "./providers/nest-command-registry.js";
export interface WorkflowModuleOptions {
    durableExecution?: DurableExecutionOptions;
    workflows: WorkflowDefinition[];
    commands?: WorkflowCommandRegistration[];
    guards?: WorkflowGuard[];
    guardRegistry?: WorkflowGuardRegistry;
    observers?: WorkflowObserver[];
    onObserverError?: ObserverErrorHandler;
    persistence: WorkflowPersistenceProvider;
    clock?: WorkflowClock;
    /**
     * How `processExpiredWorkflows` retries an instance whose timeout processing
     * fails: exponential backoff, then parking. Defaults apply when omitted.
     */
    timeoutRetry?: WorkflowTimeoutRetryOptions;
    /**
     * What module init does when a stored definition version that still has
     * active instances references an unregistered command or guard, or is
     * structurally invalid: `"fail"` (default) fails application startup,
     * `"warn"` logs and continues.
     */
    onUnresolvable?: "fail" | "warn";
    enableControllers?: boolean;
}
export interface WorkflowModuleFactoryConfig {
    durableExecution?: DurableExecutionOptions;
    workflows: WorkflowDefinition[];
    persistence: WorkflowPersistenceProvider;
    clock?: WorkflowClock;
    guards?: WorkflowGuard[];
    guardRegistry?: WorkflowGuardRegistry;
    observers?: WorkflowObserver[];
    onObserverError?: ObserverErrorHandler;
    /** See {@link WorkflowModuleOptions.timeoutRetry}. */
    timeoutRetry?: WorkflowTimeoutRetryOptions;
    /** See {@link WorkflowModuleOptions.onUnresolvable}. */
    onUnresolvable?: "fail" | "warn";
}
export interface WorkflowModuleAsyncOptions<TArgs extends unknown[] = unknown[]> {
    imports?: Type<unknown>[];
    commands?: WorkflowCommandRegistration[];
    enableControllers?: boolean;
    useFactory: (...args: TArgs) => Promise<WorkflowModuleFactoryConfig> | WorkflowModuleFactoryConfig;
    /**
     * DI tokens resolved and passed to `useFactory`, positionally. The tuple
     * length is type-checked against the factory's parameter list when `TArgs`
     * is supplied (e.g. `forRootAsync<[Pool, AuditObserver]>({ ... })`).
     */
    inject?: {
        [K in keyof TArgs]: InjectionToken | OptionalFactoryDependency;
    };
}
export declare class WorkflowModule {
    static forRoot(options: WorkflowModuleOptions): DynamicModule;
    static forRootAsync<TArgs extends unknown[] = unknown[]>(options: WorkflowModuleAsyncOptions<TArgs>): DynamicModule;
}
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