import type { IToolSelectionStrategy, RagResult } from '@mcp-abap-adt/llm-agent';
/**
 * Keeps only results whose cosine score is at or above `minScore`. A query
 * whose nearest tools all score below the cutoff yields an empty set, so no
 * tools are surfaced and the LLM answers as plain chat — semantic distance
 * decides both which tools and whether any, with no classifier gate.
 *
 * `minScore` is embedder-dependent and is the deployment's choice.
 */
export declare class ScoreThresholdToolSelection implements IToolSelectionStrategy {
    private readonly minScore;
    readonly name = "threshold";
    constructor(minScore: number);
    select(results: RagResult[]): RagResult[];
}
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