import { Message, MessageAttributes } from '@node-ts/bus-messages';
import { WorkflowState } from './workflow-state';
/**
 * A mapping definition between an incoming message and 0..* workflow state instances in persistence.
 */
export interface MessageWorkflowMapping<MessageType extends Message = Message, WorkflowStateType extends WorkflowState = WorkflowState> {
    /**
     * A lookup function that resolves a value used to lookup workflow state
     */
    lookup: (message: MessageType, attributes: MessageAttributes<any, any>) => string | undefined;
    /**
     * The field in workflow state where the lookup value is matched against
     */
    mapsTo: keyof WorkflowStateType & string;
}