export interface GitOptions {
    cwd?: string;
}
export interface PrepareGitHistoryOptions extends GitOptions {
    remote?: string;
    codeQualityArtifacts?: string[];
}
export declare function git(args: string[], options?: GitOptions): Promise<string>;
/**
 * Diff the target branch with the MR head commit, not `HEAD`: CI checks out a
 * merge commit (GitHub `refs/pull/N/merge`, GitLab merged results) whose base
 * can be stale, and then `HEAD` carries commits the MR does not change.
 */
export declare function getMergeDiffArguments(targetBranch: string, headSha: string, options?: {
    remote?: string;
    context?: number;
}): string[];
/**
 * Full git argv for the merge diff. `-c core.quotepath=false` keeps non-ASCII
 * paths literal instead of git's default octal-escaped + double-quoted form
 * (`"a/caf\303\251.ts"`), which the comment-position parser cannot match —
 * leaving such comments with invalid one-sided positions that 500 on
 * `bulk_publish`. Diffing literally also gives the reviewer readable paths.
 */
export declare function getMergeDiffCommand(targetBranch: string, headSha: string, options?: {
    remote?: string;
    context?: number;
}): string[];
export declare function removeGeneratedCodeQualityArtifacts(paths?: string[], options?: GitOptions): Promise<string[]>;
export declare function prepareGitHistory(sourceBranch: string, targetBranch: string, headSha: string, options?: PrepareGitHistoryOptions): Promise<void>;
export declare function getMergeDiff(targetBranch: string, headSha: string, options?: GitOptions & {
    remote?: string;
    context?: number;
}): Promise<string>;
export declare function getMergeCommitLogArguments(targetBranch: string, headSha: string, options?: {
    remote?: string;
}): string[];
export declare function getMergeCommitLog(targetBranch: string, headSha: string, options?: GitOptions & {
    remote?: string;
}): Promise<string>;
export interface DiffSummary {
    filesChanged: number;
    linesAdded: number;
    linesRemoved: number;
}
/**
 * Summarize a unified diff into file/line counts for telemetry. Counts one file
 * per `diff --git` header and counts `+`/`-` lines only inside a hunk (after a
 * `@@` header), so the `--- a/file` / `+++ b/file` header lines are excluded and
 * a genuine content line whose text starts with `++`/`--` is still counted. Pure
 * and allocation-light so it can run on the full merge diff without an extra git
 * invocation.
 */
export declare function summarizeDiff(diff: string): DiffSummary;
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