/**
 * Eval Base - Evaluation framework for agents
 *
 * Provides base evaluator classes and result types.
 */
/**
 * Evaluation criteria
 */
export interface EvalCriteria {
    name: string;
    description: string;
    weight: number;
    evaluator: (input: string, output: string, context?: any) => Promise<number> | number;
}
/**
 * Evaluation result
 */
export interface EvalResult {
    id: string;
    timestamp: number;
    input: string;
    output: string;
    scores: Record<string, number>;
    totalScore: number;
    passed: boolean;
    metadata?: Record<string, any>;
}
/**
 * Evaluation summary
 */
export interface EvalSummary {
    totalRuns: number;
    passedRuns: number;
    failedRuns: number;
    passRate: number;
    avgScore: number;
    minScore: number;
    maxScore: number;
    scoresByCategory: Record<string, {
        avg: number;
        min: number;
        max: number;
    }>;
}
/**
 * Evaluator configuration
 */
export interface EvaluatorConfig {
    /** Criteria to evaluate */
    criteria?: EvalCriteria[];
    /** Pass threshold (0-1) */
    passThreshold?: number;
    /** Enable logging */
    logging?: boolean;
}
/**
 * Evaluator - Base class for agent evaluation
 */
export declare class Evaluator {
    readonly id: string;
    private criteria;
    private passThreshold;
    private logging;
    private results;
    constructor(config?: EvaluatorConfig);
    /**
     * Add evaluation criteria
     */
    addCriteria(criteria: EvalCriteria): void;
    /**
     * Remove criteria by name
     */
    removeCriteria(name: string): boolean;
    /**
     * Evaluate an input/output pair
     */
    evaluate(input: string, output: string, context?: any): Promise<EvalResult>;
    /**
     * Get all results
     */
    getResults(): EvalResult[];
    /**
     * Get summary
     */
    getSummary(): EvalSummary;
    /**
     * Clear results
     */
    clear(): void;
}
/**
 * Built-in criteria: Relevance
 */
export declare function relevanceCriterion(weight?: number): EvalCriteria;
/**
 * Built-in criteria: Length
 */
export declare function lengthCriterion(minLength: number, maxLength: number, weight?: number): EvalCriteria;
/**
 * Built-in criteria: Contains keywords
 */
export declare function containsKeywordsCriterion(keywords: string[], weight?: number): EvalCriteria;
/**
 * Built-in criteria: No harmful content
 */
export declare function noHarmfulContentCriterion(weight?: number): EvalCriteria;
/**
 * Create an evaluator
 */
export declare function createEvaluator(config?: EvaluatorConfig): Evaluator;
/**
 * Create evaluator with default criteria
 */
export declare function createDefaultEvaluator(passThreshold?: number): Evaluator;
export default Evaluator;