import type { ITool, ToolResult } from '../ITool.ts';
import type { ExecutionContext } from '../../core/ExecutionContext.ts';
import type { JSONSchema } from '../../llm/types.ts';
export type RetrievalStrategy = 'skip' | 'vector' | 'graph' | 'both';
export declare class RetrievalClassifier implements ITool {
    name: string;
    description: string;
    inputSchema: JSONSchema;
    execute(input: unknown, context: ExecutionContext): Promise<ToolResult>;
    classify(query: string, context: ExecutionContext): RetrievalStrategy;
    private isAnswerableFromSTM;
}
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