export type LogLevel = "DEBUG" | "INFO" | "WARN" | "ERROR";
export declare function setClient(c: {
    app: {
        log: (opts?: any) => Promise<unknown>;
    };
} | null): void;
export declare function setLogLevel(level: LogLevel): void;
export declare function debug(message: string, data?: unknown): void;
export declare function info(message: string, data?: unknown): void;
export declare function warn(message: string, data?: unknown): void;
export declare function error(message: string, data?: unknown): void;
export declare function log(message: string, data?: unknown): void;
export interface DelegationEvent {
    phase: "start" | "complete" | "error";
    agent: string;
    sessionId?: string;
    toolCallId?: string;
    durationMs?: number;
    summary?: string;
}
export declare function logDelegation(event: DelegationEvent): void;