/**
 * Multi-Agent message templates
 *
 * Simple English message templates with variable substitution.
 */
export interface I18nMessages {
    busy_message: string;
    rate_limit_warning: string;
    chain_blocked: string;
    chain_depth_exceeded: string;
    agent_not_found: string;
    timeout_error: string;
    processing_error: string;
    delegation_error: string;
    bot_initialization_error: string;
}
/**
 * Get message with variable substitution
 */
export declare function t(key: keyof I18nMessages, variables?: Record<string, string | number>): string;
/**
 * @deprecated Use the `t` function directly instead.
 */
export declare class I18n {
    t(key: keyof I18nMessages, variables?: Record<string, string | number>): string;
    /** @deprecated No-op — only English is supported */
    setLanguage(_language: string): void;
    getLanguage(): string;
    /** @deprecated Removed — always returns 'en' */
    static detectLanguage(_locale?: string): string;
}
/** @deprecated Use the `t` function directly */
export declare const defaultI18n: I18n;
export type SupportedLanguage = string;
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