/**
 * Helpers behind `gsk init-pi`.
 *
 * The server returns one bundle carrying both Pi config documents:
 * `{ models: <~/.pi/agent/models.json>, settings: <~/.pi/agent/settings.json>,
 * genspark: <account snapshot> }`. Pi shares `models.json` with the user's own
 * custom providers and `settings.json` with every other setting, so we MERGE
 * (upsert the two Genspark providers / set the default model) instead of
 * overwriting — unlike `init-opencode`, whose single file is entirely ours.
 * Pure functions so they can be unit-tested from `dist/`.
 */
export interface PiConfigBundle {
    models?: {
        providers?: Record<string, unknown>;
    };
    settings?: Record<string, unknown>;
    genspark?: Record<string, unknown>;
}
/** Pi's global agent dir (`~/.pi/agent`) — where models.json/settings.json live. */
export declare function defaultPiAgentDir(): string;
/** Expand a leading `~` and resolve an `-o/--out` dir; default = Pi's agent dir. */
export declare function resolvePiAgentDir(out?: string): string;
/** Merge the bundle's providers into an existing models.json (upsert by name). */
export declare function mergePiModelsConfig(existing: unknown, bundle: PiConfigBundle): Record<string, unknown>;
/** Merge defaultProvider/defaultModel into an existing settings.json. */
export declare function mergePiSettingsConfig(existing: unknown, bundle: PiConfigBundle): Record<string, unknown>;
/** Parse a JSON file that may not exist; empty/missing = `{}`. Throws on bad JSON. */
export declare function readJsonIfExists(filePath: string): unknown;
export declare function writeJsonFile(filePath: string, value: unknown, mode?: number): void;
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