export declare class AiGenerator {
    private static getStagedDiff;
    private static getGitContext;
    private static truncateDiff;
    static generateCommitMessage(files?: string[], hint?: string): Promise<string>;
    private static withRetry;
    private static getApiKeyFromEnv;
    private static getEnvVarName;
    private static buildPrompt;
    private static generateWithGemini;
    private static generateWithAnthropic;
    private static generateWithOpenAICompatible;
}