/**
 * LLM-based knowledge extraction from document chunks.
 *
 * Uses an LlmProvider to extract structured knowledge:
 * facts, decisions, preferences, procedures, relationships.
 *
 * The extraction prompt is the most critical part of the ingestion engine.
 * It needs to produce genuinely useful, self-contained memories — not noise.
 */
import type { LlmProvider } from "../types";
import type { ChunkResult, ExtractionResult } from "./types";
export interface ExtractionOptions {
    /** Minimum confidence to keep an extracted item */
    readonly minConfidence: number;
}
/** @deprecated Use ExtractionOptions instead */
export type ExtractorConfig = ExtractionOptions;
export declare const DEFAULT_EXTRACTOR_CONFIG: ExtractionOptions;
/**
 * Extract knowledge from a single chunk using an LLM.
 */
export declare function extractFromChunk(chunk: ChunkResult, sourceTitle: string | null, provider: LlmProvider, opts?: ExtractionOptions): Promise<ExtractionResult>;
/**
 * Extract knowledge from all chunks in a document.
 */
export declare function extractFromChunks(chunks: readonly ChunkResult[], sourceTitle: string | null, provider: LlmProvider, onChunkDone?: (chunkIndex: number, itemCount: number) => void, opts?: ExtractionOptions): Promise<ExtractionResult[]>;
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