export interface InstalledModelPair {
    readonly provider: string;
    readonly model: string;
}
export interface InstalledModelStores {
    readonly custom: unknown;
    readonly builtin: unknown;
}
/** Project both stores into pairs. Per-entry drops are silent: an entry
 * that fails the clean-selector shape is skipped, never served. The
 * custom registry nests providers under a `providers` key; the built-in
 * store maps provider names to entries directly. A store of any other
 * shape contributes nothing. */
export declare const installedModelPairs: (stores: InstalledModelStores) => InstalledModelPair[];
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