import type { DebugMetaAgent } from '../../chat/chat-streaming.types.js';
import type { HydeCache } from '../interfaces/cache.interface.js';
import type { HydeGraphDatabase } from '../interfaces/database.interface.js';
import type { EmbeddingGenerator } from '../interfaces/embedder.interface.js';
import { type HydeGenerationMode } from './hyde.env.js';
import { type HydeSourceFrame } from './hyde.frame.js';
import type { HydeGenerateInput, HydeGeneratorOutput } from './hyde.generator.js';
import { type HydeDocumentState } from './hyde.state.js';
import type { LensInferenceInput, LensInferenceOutput } from './lens.inferrer.js';
import { type HydeValidationInput, type HydeValidationOutput } from './hyde.validator.js';
/** Narrow lens inferrer contract accepted by the graph. */
export interface HydeLensInferrerLike {
    infer(input: LensInferenceInput): Promise<LensInferenceOutput>;
}
/** Narrow document generator contract accepted by the graph. */
export interface HydeGeneratorLike {
    generate(input: HydeGenerateInput): Promise<HydeGeneratorOutput>;
}
/** Narrow batch validator contract accepted by the graph. */
export interface HydeValidatorLike {
    validate(input: HydeValidationInput): Promise<HydeValidationOutput>;
}
export interface HydeGraphOptions {
    /** Test override. Production derives the mode from HYDE_FRAME_CONSTRAINTS_ENABLED. */
    mode?: HydeGenerationMode;
    validator?: HydeValidatorLike;
}
/** Factory for the HyDE generation graph. Existing five-argument calls remain valid. */
export declare class HydeGraphFactory {
    private database;
    private embedder;
    private cache;
    private inferrer;
    private generator;
    private options;
    constructor(database: HydeGraphDatabase, embedder: EmbeddingGenerator, cache: HydeCache, inferrer: HydeLensInferrerLike, generator: HydeGeneratorLike, options?: HydeGraphOptions);
    createGraph(): import("@langchain/langgraph").CompiledStateGraph<{
        sourceType: "intent" | "context" | "query";
        sourceId: import("../interfaces/database.interface.js").Id<"users"> | import("../interfaces/database.interface.js").Id<"intents"> | undefined;
        sourceText: string;
        profileContext: string | undefined;
        maxLenses: number;
        forceRegenerate: boolean;
        lenses: import("./lens.inferrer.js").Lens[];
        sourceFrame: HydeSourceFrame | undefined;
        frameFingerprint: string | undefined;
        sourceTextHash: string | undefined;
        generatedAt: string | undefined;
        hydeDocuments: Record<string, HydeDocumentState>;
        hydeEmbeddings: Record<string, number[]>;
        error: string | undefined;
        agentTimings: DebugMetaAgent[];
    }, {
        sourceType?: "intent" | "context" | "query" | undefined;
        sourceId?: import("../interfaces/database.interface.js").Id<"users"> | import("../interfaces/database.interface.js").Id<"intents"> | import("@langchain/langgraph").OverwriteValue<import("../interfaces/database.interface.js").Id<"users"> | import("../interfaces/database.interface.js").Id<"intents"> | undefined> | undefined;
        sourceText?: string | undefined;
        profileContext?: string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined;
        maxLenses?: number | import("@langchain/langgraph").OverwriteValue<number> | undefined;
        forceRegenerate?: boolean | import("@langchain/langgraph").OverwriteValue<boolean> | undefined;
        lenses?: import("./lens.inferrer.js").Lens[] | import("@langchain/langgraph").OverwriteValue<import("./lens.inferrer.js").Lens[]> | undefined;
        sourceFrame?: HydeSourceFrame | import("@langchain/langgraph").OverwriteValue<HydeSourceFrame | undefined> | undefined;
        frameFingerprint?: string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined;
        sourceTextHash?: string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined;
        generatedAt?: string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined;
        hydeDocuments?: Record<string, HydeDocumentState> | import("@langchain/langgraph").OverwriteValue<Record<string, HydeDocumentState>> | undefined;
        hydeEmbeddings?: Record<string, number[]> | import("@langchain/langgraph").OverwriteValue<Record<string, number[]>> | undefined;
        error?: string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined;
        agentTimings?: DebugMetaAgent[] | import("@langchain/langgraph").OverwriteValue<DebugMetaAgent[]> | undefined;
    }, "__start__" | "infer_lenses" | "check_cache" | "generate_missing" | "embed" | "cache_results", {
        sourceType: {
            (annotation: import("@langchain/langgraph").SingleReducer<"intent" | "context" | "query", "intent" | "context" | "query">): import("@langchain/langgraph").BaseChannel<"intent" | "context" | "query", "intent" | "context" | "query" | import("@langchain/langgraph").OverwriteValue<"intent" | "context" | "query">, unknown>;
            (): import("@langchain/langgraph").LastValue<"intent" | "context" | "query">;
            Root: <S extends import("@langchain/langgraph").StateDefinition>(sd: S) => import("@langchain/langgraph").AnnotationRoot<S>;
        };
        sourceId: import("@langchain/langgraph").BaseChannel<import("../interfaces/database.interface.js").Id<"users"> | import("../interfaces/database.interface.js").Id<"intents"> | undefined, import("../interfaces/database.interface.js").Id<"users"> | import("../interfaces/database.interface.js").Id<"intents"> | import("@langchain/langgraph").OverwriteValue<import("../interfaces/database.interface.js").Id<"users"> | import("../interfaces/database.interface.js").Id<"intents"> | undefined> | undefined, unknown>;
        sourceText: {
            (annotation: import("@langchain/langgraph").SingleReducer<string, string>): import("@langchain/langgraph").BaseChannel<string, string | import("@langchain/langgraph").OverwriteValue<string>, unknown>;
            (): import("@langchain/langgraph").LastValue<string>;
            Root: <S extends import("@langchain/langgraph").StateDefinition>(sd: S) => import("@langchain/langgraph").AnnotationRoot<S>;
        };
        profileContext: import("@langchain/langgraph").BaseChannel<string | undefined, string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined, unknown>;
        maxLenses: import("@langchain/langgraph").BaseChannel<number, number | import("@langchain/langgraph").OverwriteValue<number>, unknown>;
        forceRegenerate: import("@langchain/langgraph").BaseChannel<boolean, boolean | import("@langchain/langgraph").OverwriteValue<boolean>, unknown>;
        lenses: import("@langchain/langgraph").BaseChannel<import("./lens.inferrer.js").Lens[], import("./lens.inferrer.js").Lens[] | import("@langchain/langgraph").OverwriteValue<import("./lens.inferrer.js").Lens[]>, unknown>;
        sourceFrame: import("@langchain/langgraph").BaseChannel<HydeSourceFrame | undefined, HydeSourceFrame | import("@langchain/langgraph").OverwriteValue<HydeSourceFrame | undefined> | undefined, unknown>;
        frameFingerprint: import("@langchain/langgraph").BaseChannel<string | undefined, string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined, unknown>;
        sourceTextHash: import("@langchain/langgraph").BaseChannel<string | undefined, string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined, unknown>;
        generatedAt: import("@langchain/langgraph").BaseChannel<string | undefined, string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined, unknown>;
        hydeDocuments: import("@langchain/langgraph").BaseChannel<Record<string, HydeDocumentState>, Record<string, HydeDocumentState> | import("@langchain/langgraph").OverwriteValue<Record<string, HydeDocumentState>>, unknown>;
        hydeEmbeddings: import("@langchain/langgraph").BaseChannel<Record<string, number[]>, Record<string, number[]> | import("@langchain/langgraph").OverwriteValue<Record<string, number[]>>, unknown>;
        error: import("@langchain/langgraph").BaseChannel<string | undefined, string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined, unknown>;
        agentTimings: import("@langchain/langgraph").BaseChannel<DebugMetaAgent[], DebugMetaAgent[] | import("@langchain/langgraph").OverwriteValue<DebugMetaAgent[]>, unknown>;
    }, {
        sourceType: {
            (annotation: import("@langchain/langgraph").SingleReducer<"intent" | "context" | "query", "intent" | "context" | "query">): import("@langchain/langgraph").BaseChannel<"intent" | "context" | "query", "intent" | "context" | "query" | import("@langchain/langgraph").OverwriteValue<"intent" | "context" | "query">, unknown>;
            (): import("@langchain/langgraph").LastValue<"intent" | "context" | "query">;
            Root: <S extends import("@langchain/langgraph").StateDefinition>(sd: S) => import("@langchain/langgraph").AnnotationRoot<S>;
        };
        sourceId: import("@langchain/langgraph").BaseChannel<import("../interfaces/database.interface.js").Id<"users"> | import("../interfaces/database.interface.js").Id<"intents"> | undefined, import("../interfaces/database.interface.js").Id<"users"> | import("../interfaces/database.interface.js").Id<"intents"> | import("@langchain/langgraph").OverwriteValue<import("../interfaces/database.interface.js").Id<"users"> | import("../interfaces/database.interface.js").Id<"intents"> | undefined> | undefined, unknown>;
        sourceText: {
            (annotation: import("@langchain/langgraph").SingleReducer<string, string>): import("@langchain/langgraph").BaseChannel<string, string | import("@langchain/langgraph").OverwriteValue<string>, unknown>;
            (): import("@langchain/langgraph").LastValue<string>;
            Root: <S extends import("@langchain/langgraph").StateDefinition>(sd: S) => import("@langchain/langgraph").AnnotationRoot<S>;
        };
        profileContext: import("@langchain/langgraph").BaseChannel<string | undefined, string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined, unknown>;
        maxLenses: import("@langchain/langgraph").BaseChannel<number, number | import("@langchain/langgraph").OverwriteValue<number>, unknown>;
        forceRegenerate: import("@langchain/langgraph").BaseChannel<boolean, boolean | import("@langchain/langgraph").OverwriteValue<boolean>, unknown>;
        lenses: import("@langchain/langgraph").BaseChannel<import("./lens.inferrer.js").Lens[], import("./lens.inferrer.js").Lens[] | import("@langchain/langgraph").OverwriteValue<import("./lens.inferrer.js").Lens[]>, unknown>;
        sourceFrame: import("@langchain/langgraph").BaseChannel<HydeSourceFrame | undefined, HydeSourceFrame | import("@langchain/langgraph").OverwriteValue<HydeSourceFrame | undefined> | undefined, unknown>;
        frameFingerprint: import("@langchain/langgraph").BaseChannel<string | undefined, string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined, unknown>;
        sourceTextHash: import("@langchain/langgraph").BaseChannel<string | undefined, string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined, unknown>;
        generatedAt: import("@langchain/langgraph").BaseChannel<string | undefined, string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined, unknown>;
        hydeDocuments: import("@langchain/langgraph").BaseChannel<Record<string, HydeDocumentState>, Record<string, HydeDocumentState> | import("@langchain/langgraph").OverwriteValue<Record<string, HydeDocumentState>>, unknown>;
        hydeEmbeddings: import("@langchain/langgraph").BaseChannel<Record<string, number[]>, Record<string, number[]> | import("@langchain/langgraph").OverwriteValue<Record<string, number[]>>, unknown>;
        error: import("@langchain/langgraph").BaseChannel<string | undefined, string | import("@langchain/langgraph").OverwriteValue<string | undefined> | undefined, unknown>;
        agentTimings: import("@langchain/langgraph").BaseChannel<DebugMetaAgent[], DebugMetaAgent[] | import("@langchain/langgraph").OverwriteValue<DebugMetaAgent[]>, unknown>;
    }, import("@langchain/langgraph").StateDefinition, {
        infer_lenses: {
            lenses: import("./lens.inferrer.js").Lens[];
            sourceFrame: HydeSourceFrame;
            frameFingerprint: string;
            sourceTextHash: string;
            generatedAt: string;
            agentTimings: DebugMetaAgent[];
        } | {
            lenses: import("./lens.inferrer.js").Lens[];
            agentTimings: DebugMetaAgent[];
            sourceFrame?: undefined;
            frameFingerprint?: undefined;
            sourceTextHash?: undefined;
            generatedAt?: undefined;
        };
        check_cache: {
            hydeDocuments: {
                [k: string]: HydeDocumentState;
            };
        };
        generate_missing: {
            hydeDocuments: {
                [x: string]: HydeDocumentState;
            };
            agentTimings: DebugMetaAgent[];
        };
        embed: {
            hydeDocuments: Record<string, HydeDocumentState>;
            hydeEmbeddings: Record<string, number[]>;
        };
        cache_results: {};
    }, unknown, unknown, []>;
}