/**
 * Helper functions for compress-output command.
 * Extracted from compressOutput.ts for max-lines compliance.
 */
export type CommandFamily = "git" | "ls" | "grep" | "diff" | "read" | "unknown";
export type GitSubcommand = "diff" | "log" | "status" | "show" | "add" | "commit" | "push" | "pull" | "branch" | "fetch" | "stash" | "worktree" | "unknown";
export declare function detectCommandFamily(command: string): CommandFamily;
export declare function detectGitSubcommand(command: string): GitSubcommand;
export declare function compressGitOutput(sub: GitSubcommand, raw: string): string;
export declare function compressLsOutput(raw: string): string;
export declare function compressGrepOutput(raw: string, pattern: string, maxResults?: number, maxLineLen?: number): string;
export declare function condenseDiff(diff: string): string;
export declare function compressReadOutput(content: string, ext: string): string;
export declare function capLines(raw: string, maxLines?: number): string;
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