import type { CallOptions, IToolLoopContextStrategy, Message, SerializableStrategyState, ToolLoopContextBase, ToolRound } from '@mcp-abap-adt/llm-agent';
export interface RagRecallDeps {
    record(round: ToolRound, options?: CallOptions): Promise<void>;
    recall(queryText: string, excludeRoundIds: string[], options?: CallOptions): Promise<string>;
}
export interface RagRecallStrategyRunDeps {
    runId: string;
}
/** Generic RAG-managed strategy. Results are durable in the consumer's RAG; only
 *  the most-recent round is held in memory (the raw tail). */
export declare class RagRecallContextStrategy implements IToolLoopContextStrategy {
    private readonly deps;
    private last;
    private counter;
    private readonly runId;
    constructor(deps: RagRecallDeps, run: RagRecallStrategyRunDeps);
    record(round: ToolRound, options?: CallOptions): Promise<void>;
    form(base: ToolLoopContextBase, options?: CallOptions): Promise<Message[]>;
    snapshot(): SerializableStrategyState;
    restore(state: SerializableStrategyState): void;
}
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