export type CollaborationMessage = WorkflowOpenedMessage | WorkflowClosedMessage;
export type WorkflowOpenedMessage = {
    type: 'workflowOpened';
    workflowId: string;
};
export type WorkflowClosedMessage = {
    type: 'workflowClosed';
    workflowId: string;
};
export declare const isWorkflowOpenedMessage: (msg: unknown) => msg is WorkflowOpenedMessage;
export declare const isWorkflowClosedMessage: (msg: unknown) => msg is WorkflowClosedMessage;