/**
 * `slowcook recipe --regression --bug B-<n>` — emits a regression
 * test from a bug-profile.
 *
 * **Status: alpha.3a**. Stub-only emitter: writes a deterministic
 * vitest skeleton at `tests/regression/B-<n>-<slug>.test.ts` that
 * asserts via `expect.fail()` so the test is red until sift replaces
 * the body with real assertions (alpha.4) or alpha.3b upgrades this
 * emitter to write real tests via an LLM agent.
 *
 * The skeleton structure is what sift expects to see:
 *  - one `describe` named for the bug id + title
 *  - one `it` per regression_assertion line
 *  - body of each `it` calls `expect.fail(...)` referencing the bug
 *    profile so the failure message points the operator at the right
 *    artefact when the test runs.
 *
 * Usage:
 *   slowcook recipe --regression --bug B-1 [--cwd <path>]
 *
 * Internally invoked from the CLI's `recipe`/`testgen` dispatch when
 * `--regression` is present (see cli.ts wiring).
 */
import { type BugProfile } from "../investigate/schema.js";
export interface RecipeRegressionArgs {
    bugId: string;
    repoRoot: string;
    dryRun: boolean;
    /**
     * 0.13.0-alpha.3b: when true, route through the LLM-backed emitter
     * (real test, can be flipped green by sift). When false, fall back
     * to the deterministic alpha.3a stub (expect.fail body — only
     * useful for testing the file-system layout). Stub stays as the
     * default through 0.13.0 because LLM mode requires ANTHROPIC_API_KEY
     * + actually exercises the agent; CI / scripted runs that just
     * want a placeholder file don't want an LLM call.
     */
    useLlm: boolean;
    /** Anthropic model (LLM mode only). Default sonnet — single-shot
     *  regression test emission shouldn't need Opus. */
    model: string;
}
export declare function parseRecipeRegressionArgs(argv: string[]): RecipeRegressionArgs;
/**
 * Accept "1", "B-1", or "B1" and normalise to "B-<n>".
 */
export declare function normaliseBugId(raw: string): string;
export declare function recipeRegression(argv: string[], cliVersion: string): Promise<void>;
export declare function loadBugProfile(repoRoot: string, bugId: string): BugProfile;
export interface RegressionFile {
    path: string;
    contents: string;
}
/**
 * Build the stub regression test for a bug profile. Deterministic —
 * same profile → same file. Sift overwrites with real assertions in
 * alpha.4; alpha.3b will replace this stub emitter with an LLM-written
 * real test.
 */
export declare function renderRegressionStub(profile: BugProfile, cliVersion: string): RegressionFile;
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