/**
 * Simple mock TerminalRegion for unit tests
 * Just tracks setLine calls - no actual terminal emulation
 */
import type { TerminalRegion } from '../region.js';
export declare class MockTerminalRegion implements Partial<TerminalRegion> {
    private lines;
    width: number;
    height: number;
    constructor(width?: number, height?: number);
    getLine(lineNumber: number): string;
    setLine(lineNumber: number, content: string): void;
    clearLine(lineNumber: number): void;
    clear(): void;
    flush(): void;
    setThrottle(_fps: number): void;
    destroy(_clearFirst?: boolean): void;
    getWidth(): number;
    getHeight(): number;
}
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