export declare function buildChatModelWhitelistKey(providerId: string, modelId: string): string;
export declare function getChatModelWhitelistSet(): Set<string>;
export declare function hasChatModelWhitelist(): boolean;
export declare function isChatModelAllowed(providerId: string, modelId: string, whitelist?: Set<string>): boolean;
export declare function parseChatModelReference(raw: string | undefined): {
    providerId: string;
    modelId: string;
} | null;
export interface ChatModelCatalogItem {
    providerId: string;
    providerName: string;
    modelId: string;
    modelName: string;
}
export declare function collectAllowedChatModels(providers: unknown[]): ChatModelCatalogItem[];
export declare function findAllowedChatModel(providers: unknown[], rawInput: string | undefined): ChatModelCatalogItem | null;
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