import type { Config } from './types.js';
/**
 * Honour SPA `config.agents` disable for Agim Agent.
 *
 * Historical installs never listed the built-in agent (runtime always
 * allowed it). Before treating absence as a hard disable, append the
 * canonical id (`agim`, with legacy `native` accepted during rewrite)
 * once to any non-empty enabled list that omits both, then set
 * `nativeAgentToggleMigrated` so later operator removals stick.
 *
 * Empty `agents: []` stays "allow all" and only gets the flag — a later
 * first explicit list is treated as intentional.
 */
export declare function migrateNativeAgentToggle(config: Config): {
    config: Config;
    changed: boolean;
};
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