/**
 * A terminal region that captures all writes and allows reading back the final state
 * Implements the same interface as TerminalRegion for testing
 */
export declare class CapturableTerminal {
    private lines;
    private setLineCalls;
    width: number;
    height: number;
    constructor(width?: number, height?: number);
    /**
     * Get the final content of a line (what would actually be displayed)
     */
    getLine(lineNumber: number): string;
    /**
     * Get all lines that were written to
     */
    getAllLines(): Map<number, string>;
    /**
     * Get all setLine calls in order
     */
    getSetLineCalls(): Array<{
        line: number;
        content: string;
    }>;
    /**
     * Clear all captured content
     */
    clear(): void;
    /**
     * Get a snapshot of the terminal as a string (for debugging)
     */
    snapshot(): string;
    setLine(lineNumber: number, content: string | {
        text: string;
        style?: any;
    }): void;
    set(content: string | Array<{
        text: string;
        style?: any;
    }> | any): void;
    clearLine(lineNumber: number): void;
    flush(): void;
    setThrottle(fps: number): void;
    destroy(clearFirst?: boolean): void;
}
/**
 * A smarter capturable terminal that properly merges content when multiple columns
 * write to the same line (simulating what should happen)
 */
export declare class MergingCapturableTerminal extends CapturableTerminal {
    /**
     * Override setLine to merge content instead of overwriting
     * This simulates the correct behavior we want
     */
    setLine(lineNumber: number, content: string | {
        text: string;
        style?: any;
    }): void;
}
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