/**
 * daemon/a2a-cli.ts — `aibroker a2a`, from a shell rather than an MCP tool.
 *
 * Two families of verb. `card`, `send`, `get`, `cancel`, `check` are pure
 * A2A CLIENT operations — they speak to ANY A2A v0.3.0 agent over the
 * network and need no daemon running locally; `check` in particular is
 * generic interoperability tooling, not a self-test, and is meant to be
 * pointed at agents this project did not write.
 *
 * `expose`, `unexpose`, `exposed`, `tasks`, `setup` operate on THIS
 * machine's A2A server: which sessions it publishes as skills, what
 * tasks are on file, and how the endpoint is exposed to the internet.
 * `reply` goes through the daemon (`WatcherClient`), the same reason
 * `aibroker issue` does — the calling session's identity and the audit
 * record both live there, and a CLI that mutated the task file directly
 * would bypass both.
 */
/** AIBROKER_A2A_URL wins whole; otherwise https://<public host>/a2a. Exported for tests. */
export declare function resolveOwnA2AUrl(): string;
export interface EnsureTokenResult {
    token: string;
    /** False when a token was already set — nothing was generated or written. */
    generated: boolean;
}
/**
 * `AIBROKER_A2A_TOKEN` if already set; otherwise a fresh 32-byte token,
 * written to `envFile` unless `printOnly`. Never overwrites an existing
 * token — mirrors inbound.ts's secret handling: generated once, shown once.
 * Pulled out of `runSetup` so the generate-once / keep-existing behaviour
 * is testable without touching a real `tailscale` binary or the network.
 */
export declare function ensureA2AToken(envFile: string, printOnly: boolean): EnsureTokenResult;
export interface VerifyResult {
    ok: boolean;
    detail: string;
    skillCount?: number;
}
/**
 * Fetch `<publicBase>/.well-known/agent-card.json` and report what came
 * back. Pulled out of `runSetup` so `setup`'s pass/fail reporting is
 * testable against an arbitrary URL, without going through DNS, Tailscale,
 * or this machine's own configured public host.
 */
export declare function verifyPublicCard(publicBase: string, timeoutMs?: number): Promise<VerifyResult>;
export declare function runA2A(args: string[]): Promise<void>;
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