import { type CreateMixedbreadClientOptions, type MixedbreadClient } from "./mixedbread.js";
export interface ChatRetrievalDocument {
    content: string;
    description: string;
    slug: string;
    title: string;
    url: string;
}
export interface ChatRetrievalInput {
    lang: string;
    limit: number;
    query: string;
}
export type ChatDocumentSearch = (input: ChatRetrievalInput) => Promise<ChatRetrievalDocument[]>;
export type ChatMixedbreadOptions = Partial<Pick<CreateMixedbreadClientOptions, "apiBaseUrl" | "apiKey" | "fetchImpl" | "requestTimeoutMs" | "storeId">>;
export declare const createMixedbreadDocumentSearch: ({ client, siteId, }: {
    client: MixedbreadClient;
    siteId: string;
}) => ChatDocumentSearch;
export declare const withChatRetrievalFallback: ({ fallback, onFallback, primary, }: {
    fallback: ChatDocumentSearch;
    onFallback?: (error: unknown) => void;
    primary: ChatDocumentSearch;
}) => ChatDocumentSearch;
export declare const createChatDocumentSearch: ({ fallback, mixedbread, onWarning, provider, siteId, }: {
    fallback: ChatDocumentSearch;
    mixedbread?: ChatMixedbreadOptions;
    onWarning?: (message: string, error?: unknown) => void;
    provider?: "local" | "mixedbread";
    siteId?: string;
}) => ChatDocumentSearch;
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