import type { TestSpec, TestCase } from './types.js';
import type { EvalPayload, EvalTest } from './evalNormalizer.js';
/**
 * Returns true if the content looks like a YAML TestSpec (has testCases + subjectName).
 * Returns false for JSON EvalPayload, invalid content, or YAML missing required fields.
 */
export declare function isYamlTestSpec(content: string): boolean;
/**
 * Parse a YAML string into a TestSpec.
 * Throws if the content is not valid YAML or is missing required fields.
 */
export declare function parseTestSpec(content: string): TestSpec;
/**
 * Translate a full TestSpec into an EvalPayload.
 */
export declare function translateTestSpec(spec: TestSpec): EvalPayload;
/**
 * Translate a single TestCase into an EvalTest with ordered steps.
 */
export declare function translateTestCase(testCase: TestCase, index: number, specName?: string): EvalTest;