import { Collection, ObjectId as MongoObjectId } from "mongodb";
import type { CreateKnowledgeDocumentInput, KnowledgeDocument, KnowledgeDocumentDoc, KnowledgeDocumentReadyProjection, UpdateKnowledgeDocumentInput } from "./knowledgeDocuments.types";
export declare const getKnowledgeDocumentsCollection: () => Collection<KnowledgeDocument>;
export declare const createKnowledgeDocument: (input: CreateKnowledgeDocumentInput) => Promise<MongoObjectId>;
export declare const getKnowledgeDocumentById: (id: string) => Promise<KnowledgeDocumentDoc | null>;
export declare const listKnowledgeDocumentsByClientId: (clientId: string) => Promise<KnowledgeDocumentDoc[]>;
export declare const listReadyKnowledgeDocumentIdsByClientId: (clientId: string) => Promise<string[]>;
export declare const listReadyKnowledgeDocumentsByClientId: (clientId: string) => Promise<KnowledgeDocumentReadyProjection[]>;
export declare const updateKnowledgeDocument: (id: string, updates: UpdateKnowledgeDocumentInput) => Promise<KnowledgeDocumentDoc | null>;
export declare const deleteKnowledgeDocument: (id: string) => Promise<boolean>;
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