/**
 * `slowcook investigate` — bug-flow analogue of refine.
 *
 * Reads a GitHub issue (label: `bug`), uses code tools to find the
 * failure locus, emits `.brewing/bug-profiles/B-<id>.yaml` and opens
 * a PR proposing the profile. The PR's merge triggers
 * `slowcook-recipe-regression.yml` (alpha.3) which kicks off
 * `recipe --regression` to write the failing test.
 *
 * **Status**: alpha.2a — scaffold only. Parses args, prints what it
 * WOULD do. Real LLM agent + PR opening land in alpha.2b. Calling the
 * command today exits with a clear "not yet implemented" notice so
 * accidental wiring (e.g., a workflow trigger) fails fast and visibly.
 */
import { type BugProfile } from "./schema.js";
/**
 * Pick the next free bug-id by walking `.brewing/bug-profiles/`
 * (and once branches exist, also \`slowcook/bug-profile/B-*\`). Same
 * race-aware pattern as story-id assignment (slowcook#8 fix).
 *
 * Exposed for use by alpha.2b once the agent emits real profiles.
 */
export declare function pickNextBugId(repoRoot: string): string;
/**
 * Build a stub bug profile from issue metadata only — no code reading.
 * alpha.2a placeholder. alpha.2b replaces this with an LLM-driven
 * agent that actually investigates.
 */
export declare function buildStubProfile(args: {
    issueNumber: number;
    issueTitle: string;
    bugId: string;
    cliVersion: string;
    now: Date;
}): BugProfile;
export declare function investigate(argv: string[], cliVersion: string): Promise<void>;
/**
 * Render a BugProfile as YAML. Hand-rolled because we don't want to
 * pull a YAML lib dep just for emission. The schema is small enough
 * that this is fine.
 */
export declare function renderProfileAsYaml(profile: BugProfile): string;
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