export interface CommentCheckResult {
    ratio: number;
    slopCount: number;
    shouldWarn: boolean;
    message: string;
}
export declare function isCodeFile(filePath: string): boolean;
export declare function checkComments(content: string, filePath: string, maxRatio?: number, slopThreshold?: number): CommentCheckResult;
export declare function createCommentCheckerHook(internalSessions: Set<string>, maxRatio?: number, slopThreshold?: number): (input: {
    tool: string | {
        name: string;
    };
    args: Record<string, unknown>;
    sessionID: string;
}, output: {
    output: unknown;
}) => void;