type ModelLevel = 'level1' | 'level2' | 'level3';
interface ProviderLevelSettings extends Record<string, unknown> {
    defaultLevel?: ModelLevel;
    maxLevel?: ModelLevel;
    minLevel?: ModelLevel;
}
interface SettingsRecord extends Record<string, unknown> {
    maxModel?: string | null;
    minModel?: string | null;
    providerSettings?: Record<string, ProviderLevelSettings>;
}
declare function validateModelAgainstMax(requestedModel: string | null | undefined, maxModel: string, minModel?: string | null): string;
declare function mapLegacyModelToLevel(model: unknown): ModelLevel | null;
declare function applyLegacyModelBounds(settings: SettingsRecord): SettingsRecord;
declare const _default: {
    MODEL_HIERARCHY: Readonly<Record<string, number>>;
    VALID_MODELS: string[];
    validateModelAgainstMax: typeof validateModelAgainstMax;
    mapLegacyModelToLevel: typeof mapLegacyModelToLevel;
    applyLegacyModelBounds: typeof applyLegacyModelBounds;
};
export = _default;