/**
 * Simple terminal buffer that handles basic control sequences
 * to properly represent what would be shown in a real terminal
 */
export declare class TerminalBuffer {
    private lines;
    private currentLine;
    private currentColumn;
    private maxLines;
    private maxColumns;
    private chunks;
    constructor(maxLines?: number, maxColumns?: number);
    write(data: string): void;
    private ensureLineExists;
    getWrite(): string;
    getContent(): string;
    clear(): void;
    /**
     * Like getContent(), but collapses runs of consecutive similar lines
     * (e.g. webpack progress, npm install steps) into a summary.
     */
    getCompactContent(opts?: {
        minPrefixLength?: number;
        minRunLength?: number;
        maxLines?: number;
    }): string;
    /**
     * Collapse runs of 3+ consecutive lines that share a long common prefix.
     * Keeps the first and last line of each run and inserts a count summary.
     * When maxLines is set, keeps the last maxLines from the result and
     * prepends a truncation notice.
     */
    static collapseRepetitiveLines(text: string, { minPrefixLength, minRunLength, maxLines }?: {
        minPrefixLength?: number;
        minRunLength?: number;
        maxLines?: number;
    }): string;
    private static commonPrefixLength;
    /**
     * Get current cursor position for testing/debugging
     */
    getCursorPosition(): {
        line: number;
        column: number;
    };
    /**
     * Get the current number of lines for testing/debugging
     */
    getLineCount(): number;
}