import { ICamundaService, IMessage, IVariablePayload, IVariables, IWorkflowProps } from '@villedemontreal/workit-types';
export declare class CamundaMessage {
    static wrap(payload: {
        task: IVariablePayload;
        taskService: any;
    }): [IMessage, ICamundaService];
    static unwrap(message: IMessage<unknown, IWorkflowProps<unknown>>): IVariables;
    private static _setCustomHeaders;
}