/**
 * Agent Cost Estimator — Estimate costs before running test suites.
 *
 * Analyzes test definitions to predict token usage and costs
 * across different model providers.
 */
import type { TestSuite, TestCase } from './types';
export interface ModelEstimate {
    model: string;
    avgCallsPerTest: number;
    avgCostPerCall: number;
    totalCost: number;
}
export interface CostEstimate {
    testCount: number;
    models: ModelEstimate[];
    totalEstimated: number;
    suggestedBudget: number;
    safetyMargin: number;
}
export interface EstimateOptions {
    /** Models to estimate for (default: top models) */
    models?: string[];
    /** Average calls per test (default: 3) */
    avgCallsPerTest?: number;
    /** Average tokens per call input (default: 800) */
    avgInputTokens?: number;
    /** Average tokens per call output (default: 400) */
    avgOutputTokens?: number;
    /** Safety margin multiplier (default: 1.5) */
    safetyMargin?: number;
}
/**
 * Load a test suite from a YAML file.
 */
export declare function loadTestSuiteForEstimate(filePath: string): TestSuite;
/**
 * Count tests in a suite, expanding parameterized tests.
 */
export declare function countTests(suite: TestSuite): number;
/**
 * Estimate complexity of a test based on its expectations.
 */
export declare function estimateTestComplexity(test: TestCase): number;
/**
 * Estimate costs for running a test suite.
 */
export declare function estimateCosts(suite: TestSuite, options?: EstimateOptions): CostEstimate;
/**
 * Estimate costs from a file path.
 */
export declare function estimateCostsFromFile(filePath: string, options?: EstimateOptions): CostEstimate;
/**
 * Format cost estimate for display.
 */
export declare function formatCostEstimate(estimate: CostEstimate): string;
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