export declare const FIELD_SEP = "\u001F";
export interface CommandFilters {
    since?: Date;
    until?: Date;
    branch?: string;
    scope?: string;
}
/**
 * Contributions: git log --format=%H<US>%aN<US>%aE<US>%aI<US>%s<US>%P
 * Unit-separator-delimited commit records (mailmap-resolved).
 */
export declare function contributionLog(filters: CommandFilters): string[];
/**
 * Contributions (stats): git log --numstat --format=%H<US>%aN<US>%aI
 * Numstat with unit-separator-delimited commit headers (mailmap-resolved).
 */
export declare function contributionNumstat(filters: CommandFilters): string[];
/**
 * Hotspots: git log --name-status --format="%H"
 * Commit hash + changed file paths (single pass for all files)
 */
export declare function hotspotLog(filters: CommandFilters): string[];
/**
 * Hotspots (renames): git log --follow --name-only -- <file>
 * Per-file follow for top-20 hotspots only
 */
export declare function hotspotFollowLog(filePath: string, filters: CommandFilters): string[];
/**
 * Complexity: git ls-tree -r -l <tree-ish>
 * Tree entries with file sizes
 */
export declare function lsTree(treeIsh: string): string[];
/**
 * Complexity (snapshots): git rev-list --after=<date> --before=<date> -1 <branch>
 * Commit hash at snapshot point
 */
export declare function revListSnapshot(afterDate: Date, beforeDate: Date, branch: string): string[];
/**
 * Complexity (churn): git diff-tree -r --name-only <prev> <curr>
 * Lists every blob path that differs between two commits.
 */
export declare function diffTreeNames(prevCommit: string, currCommit: string): string[];
/**
 * PR Velocity: git log --merges --format=%H<US>%aI<US>%P<US>%s
 * Unit-separator-delimited merge commit records.
 */
export declare function mergeLog(filters: CommandFilters): string[];
/**
 * PR Velocity (main-line): git log --first-parent --format="%H"
 * Main-line commit hashes
 */
export declare function firstParentLog(filters: CommandFilters): string[];
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