import type { ReadonlyDeep } from 'type-fest';
import type { PipelineJson } from '../../pipeline/PipelineJson/PipelineJson';
import type { TaskJson } from '../../pipeline/PipelineJson/TaskJson';
import type { Parameters } from '../../types/Parameters';
import type { string_markdown } from '../../types/string_markdown';
import type { string_parameter_value } from '../../types/string_name';
import type { ExecutionTools } from '../ExecutionTools';
/**
 * Options for retrieving relevant knowledge for a specific task during pipeline execution.
 *
 * @private internal type of `getKnowledgeForTask`
 */
type GetKnowledgeForTaskOptions = {
    /**
     * The execution tools to be used during the execution of the pipeline.
     */
    readonly tools: ExecutionTools;
    /**
     * The fully prepared pipeline containing all tasks and knowledge pieces.
     */
    readonly preparedPipeline: ReadonlyDeep<PipelineJson>;
    /**
     * The current task for which knowledge is being retrieved.
     */
    readonly task: ReadonlyDeep<TaskJson>;
    /**
     * Parameters used to complete the content of the task for embedding and knowledge retrieval.
     */
    readonly parameters: Readonly<Parameters>;
};
/**
 * Retrieves the most relevant knowledge pieces for a given task using embedding-based similarity search.
 * This is where retrieval-augmented generation (RAG) is performed to enhance the task with external knowledge.
 *
 * @private internal utility of `createPipelineExecutor`
 */
export declare function getKnowledgeForTask(options: GetKnowledgeForTaskOptions): Promise<string_parameter_value & string_markdown>;
export {};