import type { ServeModelEntry } from './presets.js';
export interface QvacConfig {
    serve?: {
        models?: Record<string, ServeModelEntry>;
        [k: string]: unknown;
    };
    [k: string]: unknown;
}
/** A non-JSON config (qvac.config.{js,mjs,ts}) in `dir`, if any — we can't safely
 * rewrite those, so the command emits guidance instead of clobbering them. */
export declare function foreignConfigPath(dir: string): string | null;
/** The set of model constants/sources already configured (an entry's `model`
 * or `src`), so re-running configure is idempotent per model. */
export declare function existingModelIdentities(config: QvacConfig): Set<string>;
/** Map each configured model id (its `model`/`src`) to the alias that holds it —
 * first alias wins. Lets `--force` overwrite the existing entry for a model in
 * place instead of minting a new deduped alias. */
export declare function existingAliasesByModel(config: QvacConfig): Map<string, string>;
export declare function loadJsonConfig(path: string): QvacConfig;
export interface MergeResult {
    config: QvacConfig;
    added: string[];
    conflicts: string[];
}
/** Merge new aliases into `serve.models`, preserving existing keys. Without
 * `force`, an alias that already exists is reported as a conflict and skipped. */
export declare function mergeServeModels(existing: QvacConfig, additions: Record<string, ServeModelEntry>, force: boolean): MergeResult;
export declare function serializeConfig(config: QvacConfig): string;
/** Write via a temp file + rename so a crash can't leave a half-written config. */
export declare function writeConfigAtomically(path: string, config: QvacConfig): void;
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