import { Part } from '../models/types';
import { ReadonlyContext } from '../agents/ReadonlyContext';
import { CallbackContext } from '../agents/CallbackContext';
import { LlmRequest } from '../models/LlmRequest';
/**
 * Abstract base class for all planners.
 *
 * The planner allows the agent to generate plans for the queries to guide its
 * action.
 */
export declare abstract class BasePlanner {
    /**
     * Builds the system instruction to be appended to the LLM request for planning.
     *
     * @param readonlyContext The readonly context of the invocation.
     * @param llmRequest The LLM request. Readonly.
     * @returns The planning system instruction, or undefined if no instruction is needed.
     */
    abstract buildPlanningInstruction(readonlyContext: ReadonlyContext, llmRequest: LlmRequest): string | undefined;
    /**
     * Processes the LLM response for planning.
     *
     * @param callbackContext The callback context of the invocation.
     * @param responseParts The LLM response parts. Readonly.
     * @returns The processed response parts, or undefined if no processing is needed.
     */
    abstract processPlanningResponse(callbackContext: CallbackContext, responseParts: Part[]): Part[] | undefined;
}