/**
 * testing — test utilities. An in-memory Terminal that captures writes
 * deterministically (no TTY) for snapshots and byte assertions.
 */
import type { ColorLevel } from '../ansi/index.js';
import type { Size } from '../frame/index.js';
import type { Terminal } from '../terminal/index.js';
export interface MockTerminal extends Terminal {
    /** Todos os chunks escritos, na ordem. */
    readonly writes: readonly string[];
    /** The last chunk written (the frame's patch). */
    readonly lastWrite: string;
    /** Everything written so far, concatenated. */
    output(): string;
    reset(): void;
    /** Injeta bytes no stdin simulado (dispara onData). */
    feed(bytes: string | Buffer): void;
    /** Simula um SIGWINCH com novo tamanho. */
    emitResize(size: Size): void;
}
export interface MockTerminalOptions {
    readonly size?: Size;
    readonly colors?: ColorLevel;
    readonly synchronizedOutput?: boolean;
}
export declare function createMockTerminal(options?: MockTerminalOptions): MockTerminal;
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