/**
 * Pure path classifier for contribution-mode file hygiene: decide which paths
 * are HubLaunch's own artifacts and must never reach the PR (head) branch.
 * Deterministic, no I/O — the bash in `ralph-run.sh` mirrors these values when
 * seeding `.git/info/exclude` and stripping the index.
 */
/**
 * The exact glob lines the bash appends to `.git/info/exclude` in contribution
 * mode. Directory-level entries (`.hublaunch/`, `.claude/`, `.agents/`) are
 * supersets that cover the lessons flow too — but lessons are never staged, so
 * the dirty-tree retry/empty-run filters are unaffected. `.agents/` covers the
 * skills `hula init` writes there (`.agents/skills/<skill>/SKILL.md`), which
 * must never reach a guest PR branch. Exported so the TS test asserts the list
 * and the bash mirror cannot silently drift.
 */
export declare const CONTRIBUTION_EXCLUDE_GLOBS: readonly string[];
/**
 * True when `repoRelPath` is a HubLaunch artifact that must be kept off the PR
 * branch: anything under `.hublaunch/`, `.claude/`, or `.agents/`, and the
 * top-level `ralph.md`, `launch.md`, and any `*_RALPH_LESSONS.md` file. A
 * normal source file (`src/index.ts`, `playwright.config.ts`) is never
 * excluded.
 */
export declare function isContributionExcludedPath(repoRelPath: string): boolean;
/**
 * Cross-reference hygiene (contribution Phase 1, FR-9): the upstream issue/PR
 * number must never appear in a fork commit message or branch name. `Closes #N`
 * belongs only in the upstream PR body. This guard detects a GitHub-style issue
 * reference — a `#` immediately followed by digits — in fork-side text.
 *
 * It deliberately matches `#<digits>` only, not bare numbers: fork branch names
 * routinely contain digits (dates, versions, SHAs) and commit messages contain
 * numbers; it is the `#N` *reference* that silently cross-links the fork to the
 * upstream issue/PR and must be kept off the fork.
 */
export declare function containsUpstreamReference(text: string): boolean;
/**
 * Assert that a fork-side branch name and commit messages carry no upstream
 * issue/PR reference (`#N`). Returns the offending strings (empty when clean)
 * so the caller can fail with an actionable message rather than silently
 * leaking a cross-reference onto the fork.
 */
export declare function findUpstreamReferenceLeaks(input: {
    branchName?: string;
    commitMessages?: readonly string[];
}): string[];
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