/**
 * Harness installation and discovery via adapters delegation.
 *
 * Instead of maintaining per-harness install logic in babysitter, we delegate
 * to @a5c-ai/adapters which already has comprehensive adapter detection,
 * installation, and update support for all known harness CLIs.
 */
import type { HarnessDiscoveryResult, HarnessInstallOptions, HarnessInstallResult } from "./types";
type AdapterAdapterInfo = {
    agent: string;
    displayName: string;
    cliCommand: string;
};
type AdapterInstalledInfo = {
    agent: string;
    installed: boolean;
    cliPath: string | null;
    version: string | null;
};
type AdapterInstallResult = {
    ok: boolean;
    method: string;
    command: string;
    message?: string;
    installedVersion?: string;
    stdout?: string;
    stderr?: string;
};
interface AdapterAdapterHandle {
    install?(opts?: {
        force?: boolean;
        dryRun?: boolean;
        version?: string;
    }): Promise<AdapterInstallResult>;
    detectInstallation?(): Promise<{
        installed: boolean;
        version?: string;
        path?: string;
    }>;
}
interface AdapterAdapterRegistry {
    list(): AdapterAdapterInfo[];
    detect(agent: string): Promise<AdapterInstalledInfo | null>;
    get(agent: string): AdapterAdapterHandle | undefined;
    installed(): Promise<AdapterInstalledInfo[]>;
}
interface AgentMuxClientLike {
    adapters: AdapterAdapterRegistry;
}
/**
 * Discovers installed harnesses by delegating to adapters's adapter registry.
 *
 * Falls back to the legacy probe-based discovery if adapters is unavailable.
 */
export declare function discoverHarnessesViaAmux(): Promise<HarnessDiscoveryResult[]>;
/**
 * Install a harness CLI by delegating to adapters's adapter install().
 */
export declare function installHarnessViaAmux(harnessName: string, options: HarnessInstallOptions): Promise<HarnessInstallResult>;
export declare function installHarnessPlugin(harnessName: string, options: HarnessInstallOptions): Promise<HarnessInstallResult>;
export declare function _resetAmuxInstallClientCache(): void;
/**
 * Override the adapters module for testing.
 * Pass `undefined` to restore require-based resolution.
 * @internal
 */
export declare function _setAmuxInstallModuleForTesting(mod: {
    createClient: (opts: Record<string, unknown>) => AgentMuxClientLike;
} | undefined): void;
export {};
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