export interface ProviderChoice {
    id: "ollama" | "openrouter";
    enabled: boolean;
    /** Provider-specific settings the wizard collected. */
    settings: Record<string, string>;
}
export interface WriteConfigInput {
    repoRoot: string;
    providers: ProviderChoice[];
    defaultTask: {
        provider: string;
        model: string;
    };
    /** Secrets to merge into .env. Keys are env var names. */
    secrets: Record<string, string>;
}
export interface WriteResult {
    envPath: string;
    configPath: string;
    envWritten: boolean;
    configWritten: boolean;
    envBackupPath?: string;
    configBackupPath?: string;
}
/**
 * Writes .env and config/cortex.yaml. If either already exists, backs it up
 * first with a `.bak.<ts>` suffix and replaces. Never deletes anything.
 */
export declare function writeConfig(input: WriteConfigInput): Promise<WriteResult>;
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