/**
 * @license
 * Copyright 2026 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
import { DocumentNode } from "@workglow/knowledge-base";
import type { CachePolicy, IRunConfig, TaskConfig } from "@workglow/task-graph";
import { CreateWorkflow, IExecuteContext, Task } from "@workglow/task-graph";
import type { DataPortSchema } from "@workglow/util/schema";
import type { Capability } from "../capability/Capabilities";
export type KbToDocumentsTaskInput = {
    onlyStale?: boolean | undefined;
    knowledgeBase: unknown;
};
export type KbToDocumentsTaskOutput = Omit<{
    title: string[];
    doc_id: string[];
    documentTree: {
        [x: string]: unknown;
    }[];
}, "documentTree"> & {
    documentTree: DocumentNode[];
};
export type KbToDocumentsTaskConfig = TaskConfig<KbToDocumentsTaskInput>;
/**
 * Task that lists documents from a knowledge base, optionally filtering to only
 * those that need embedding (have no chunks). Returns parallel arrays of doc IDs,
 * document trees, and titles for use in downstream embedding pipelines.
 */
export declare class KbToDocumentsTask extends Task<KbToDocumentsTaskInput, KbToDocumentsTaskOutput, KbToDocumentsTaskConfig> {
    static type: string;
    /** Storage task — no provider capability required. */
    static readonly requires: readonly Capability[];
    static category: string;
    static title: string;
    static description: string;
    static cachePolicy: CachePolicy;
    static inputSchema(): DataPortSchema;
    static outputSchema(): DataPortSchema;
    execute(input: KbToDocumentsTaskInput, context: IExecuteContext): Promise<KbToDocumentsTaskOutput>;
}
export declare const kbToDocuments: (input: KbToDocumentsTaskInput, config?: KbToDocumentsTaskConfig, runConfig?: Partial<IRunConfig>) => Promise<KbToDocumentsTaskOutput>;
declare module "@workglow/task-graph" {
    interface Workflow {
        kbToDocuments: CreateWorkflow<KbToDocumentsTaskInput, KbToDocumentsTaskOutput, KbToDocumentsTaskConfig>;
    }
}
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