import type { AgentRunOutput, Scorer, ScorerDefinition } from "./types.js";
export declare function createScorer<Pre = AgentRunOutput, Ana = Pre>(def: ScorerDefinition<Pre, Ana>): Scorer<Pre, Ana>;
export declare function clamp01(n: number): number;
export declare function exactMatch(expected: string, opts?: {
    caseSensitive?: boolean;
}): Scorer<AgentRunOutput, {
    match: boolean;
}>;
export declare function contains(needles: string | string[], opts?: {
    caseSensitive?: boolean;
}): Scorer<AgentRunOutput, {
    found: string[];
    missing: string[];
}>;
export declare function usesTool(toolName: string): Scorer<AgentRunOutput, {
    used: boolean;
}>;
interface JudgeVerdict {
    score: number;
    reasoning: string;
}
export interface LlmJudgeOptions {
    name?: string;
    criteria: string;
    rubric?: string;
    scoreRange?: {
        min: number;
        max: number;
    };
}
export declare function llmJudge(opts: LlmJudgeOptions): Scorer<AgentRunOutput, {
    verdict: JudgeVerdict | null;
    normalized: number;
}>;
export {};