import type { GitClient } from "../ports/git.js";
export interface GitVersion {
    readonly major: number;
    readonly minor: number;
    readonly patch: number;
}
export interface GitVersionGuardOptions {
    readonly git?: GitClient | undefined;
    readonly cwd?: string | undefined;
    readonly minimum?: GitVersion | undefined;
}
export declare const GRAFT_MINIMUM_GIT_VERSION: GitVersion;
export declare function formatGitVersion(version: GitVersion): string;
export declare function parseGitVersion(output: string): GitVersion | null;
export declare function compareGitVersions(left: GitVersion, right: GitVersion): number;
export declare function ensureGitVersionSupportsGraft(options?: GitVersionGuardOptions): Promise<void>;
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