/**
 * Install/update helpers for BaseAgentAdapter.
 *
 * The install and update flows share the "pick method → resolve command →
 * spawn → re-detect" skeleton. Extracted here so the base class stays
 * small; no behavior change.
 */
import type { AdapterInstallOptions, AdapterUpdateOptions, DetectInstallationResult, InstallMethod, InstallResult, Spawner } from '@a5c-ai/comm-adapter';
/** Collaborators the helpers need from the adapter. */
export interface InstallContext {
    readonly cliCommand: string;
    readonly displayName: string;
    readonly spawner: Spawner;
    detectInstallation(): Promise<DetectInstallationResult>;
    pickInstallMethod(): InstallMethod | undefined;
    applyVersionToCommand(method: InstallMethod, version?: string): string;
    deriveUpdateCommand(method: InstallMethod): string | null;
}
export declare function runInstall(ctx: InstallContext, opts: AdapterInstallOptions): Promise<InstallResult>;
export declare function runUpdate(ctx: InstallContext, opts: AdapterUpdateOptions): Promise<InstallResult>;