import { BpmnType, EventType, FlowNodeInstanceState, Identity } from '@5minds/processcube_engine_sdk';
import { SignalEventReachedMessageInternal } from '../Contracts/index';
import { IdentityService, ProcessInstanceDatabaseAdapter } from '../Tools';
import { ProcessDefinitionMediator } from '../Tools/ProcessDefinitionMediator';
import { ExecuteProcessService } from './ExecuteProcessService';
import { ProcessTokenService } from './ProcessTokenService';
export type SignalPayload = {
    correlationId?: string;
    processDefinitionId?: string;
    processModelId?: string;
    embeddedProcessModelId?: string;
    processModelName?: string;
    processInstanceId?: string;
    parentProcessInstanceId?: string;
    flowNodeId?: string;
    flowNodeName?: string;
    flowNodeType?: BpmnType;
    flowNodeInstanceId?: string;
    previousFlowNodeInstanceId?: string;
    processInstanceOwner?: Identity;
    currentToken?: any;
    eventType?: EventType;
    eventName?: string;
    eventId?: string;
    identity?: Identity;
    triggerValue?: string;
    targetProcessInstanceId?: string;
    customCorrelationId?: string;
    flowNodeInstanceState?: FlowNodeInstanceState;
    signalReference: string;
    signalChannel?: string;
};
export type TriggerSignalArgs = {
    signalReference: string;
    identity: Identity;
    flowNodeInstanceId?: string;
    customCorrelationId?: string;
    sourceCorrelationId?: string;
    token?: any;
    triggerValue?: string;
    signalChannel?: string;
};
export declare class SignalEventService {
    private executeProcessService;
    private readonly processDefinitionMediator;
    private readonly processInstanceAdapter;
    private readonly processTokenService;
    private readonly logger;
    private subscriptions;
    private internalSubscriptions;
    private deployedSignalCatchEvents;
    private internalIdentity;
    constructor(processDefinitionMediator: ProcessDefinitionMediator, executeProcessService: ExecuteProcessService, identityService: IdentityService, processTokenService: ProcessTokenService, processInstanceAdapter: ProcessInstanceDatabaseAdapter);
    init(): Promise<void>;
    dispose(): void;
    throwSignal(data: SignalPayload, awaitAcknowledgement?: boolean, eventId?: string): Promise<void>;
    throwStartSignal(data: SignalPayload, awaitAcknowledgement?: boolean): Promise<void>;
    onSignal(signalReference: string, callback: (signal: SignalEventReachedMessageInternal) => void | Promise<void>, subscribeOnce?: boolean, processInstanceId?: string, triggerValue?: string, signalChannel?: string): string;
    unsubscribe(subscriptionId: string): void;
    acknowledge(eventId: string): void;
    private startProcessesWithSignalStartEvent;
    private getEventsToStart;
    private filterAlreadyStartedProcessInstances;
    private refreshCatchEventDefinitions;
    private getSignalCatchEventDefinitions;
    private computeTriggerValuesForSignalReference;
    private parseTriggerValueExpressions;
    private getCachedEvents;
    private distinctTriggerValues;
}