import type { CouncilSpawn } from "../council/types.js";
export interface EnableIO {
    print(line: string): void;
    /** One line of input, or undefined when non-interactive / stream closed. */
    ask(prompt: string): Promise<string | undefined>;
}
export interface EnableMemoryOptions {
    cwd: string;
    homeDir?: string;
    /** Show the model picker. Caller computes via isInteractive(json). */
    interactive: boolean;
    /** Probe the chosen model before saving. False under --no-validate. */
    validate: boolean;
    spawn: CouncilSpawn;
    io: EnableIO;
    /** From a `--model <slug>` flag; skips the prompt's default. */
    explicitModel?: string;
    probeTimeoutMs?: number;
}
export interface EnableMemoryResult {
    ok: boolean;
    model?: string;
    message: string;
}
export declare function enableMemoryMode(opts: EnableMemoryOptions): Promise<EnableMemoryResult>;