/**
 * Synthetic cases for the edges real data does not cover yet (DES-DEFAULT-EVALS-001 §4). Seeded and deterministic:
 * the same real cases in give the same synthetic cases out. A class gets synthetic cases only while it has fewer than
 * {@link MIN_CASES} real ones, so synthetic data fills gaps and never outweighs what really happened.
 *
 * Synthetic cases carry their input and the expected answer (`by: 'fixture'`) and NO observation: a replay adapter
 * (the current classifier, run on the input) supplies it. A suite with no replay adapter reports them as unscored.
 */
import type { EvalCase, SuiteId } from './types.js';
/** Which suites' synthetic cases a replay adapter can score (the rest are reported as unscored). */
export declare function syntheticSuites(): SuiteId[];
/**
 * Synthetic cases for every class that has fewer than {@link MIN_CASES} people-labelled real cases. Templates are
 * taken in order, so the result is deterministic; a class with no template left stops short and says nothing more.
 */
export declare function generateSynthetic(real: readonly EvalCase[]): EvalCase[];
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