import type { EvalAnswerGroundednessMetricOptions, EvalKnowledgeCitationMetricOptions, EvalKnowledgeMrrMetricOptions, EvalKnowledgeRetrievalMetricOptions, EvalMetric, EvalToolCallCountOptions, EvalToolCallMatchOptions } from "./types.js";
type JudgeRubricInput = {
    rubric: string;
    judge?: (input: {
        rubric: string;
        input: unknown;
        output: Record<string, unknown>;
        reference?: unknown;
        metadata: Record<string, unknown>;
    }) => Promise<{
        score: number;
        pass?: boolean;
        explanation?: string;
    }>;
};
declare function getOutputText(output: unknown): string;
declare function stableStringify(value: unknown): string;
/** Metric factories for deterministic answers, agent behavior, operations, and judges. */
export declare const metrics: {
    readonly answer: {
        readonly exactMatch: () => EvalMetric;
        readonly contains: (options: {
            text: string;
            caseSensitive?: boolean;
        }) => EvalMetric;
        readonly regex: (options: {
            pattern: string;
            flags?: string;
        }) => EvalMetric;
        readonly jsonMatch: (options?: {
            expected?: unknown;
        }) => EvalMetric;
        readonly groundedness: (options?: EvalAnswerGroundednessMetricOptions) => EvalMetric;
    };
    readonly agent: {
        readonly noFailedTools: () => EvalMetric;
        readonly calledTool: (name: string, options?: EvalToolCallMatchOptions) => EvalMetric;
        readonly notCalledTool: (name: string) => EvalMetric;
        readonly toolCallCount: (name: string, options: EvalToolCallCountOptions) => EvalMetric;
    };
    readonly knowledge: {
        readonly recallAtK: (options: EvalKnowledgeRetrievalMetricOptions) => EvalMetric;
        readonly precisionAtK: (options: EvalKnowledgeRetrievalMetricOptions) => EvalMetric;
        readonly mrr: (options: EvalKnowledgeMrrMetricOptions) => EvalMetric;
        readonly citationPrecision: (options?: EvalKnowledgeCitationMetricOptions) => EvalMetric;
        readonly citationRecall: (options?: EvalKnowledgeCitationMetricOptions) => EvalMetric;
    };
    readonly ops: {
        readonly latency: (options: {
            maxMs: number;
        }) => EvalMetric;
        readonly tokens: (options: {
            maxTotal?: number;
            maxInput?: number;
            maxOutput?: number;
        }) => EvalMetric;
        readonly cost: (options: {
            maxUsd: number;
        }) => EvalMetric;
    };
    readonly judge: {
        readonly rubric: (options: JudgeRubricInput) => EvalMetric;
    };
};
export { getOutputText, stableStringify };
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