/** The agent type a launch asked for, as SubagentStart will report it. */
export declare function launchedAgentType(toolInput: unknown): string;
export declare function stashSubagentBrief(sessionId: string, agentType: string, brief: string): void;
/** This subagent's brief when exactly one of its type waits; every one of the type is cleared. */
export declare function claimSubagentBrief(sessionId: string, agentType: string | undefined): string | null;