/**
 * Environment variable handling for CLI
 */
export interface EnvConfig {
    model?: string;
    profile?: string;
    verbose?: boolean;
    configPath?: string;
}
export declare function loadEnvConfig(): EnvConfig;
export declare function hasApiKey(provider: string): boolean;
export declare function getApiKey(provider: 'openai' | 'anthropic' | 'google'): string | undefined;