import { EventEmitter } from 'node:events';
/**
 * Strip SGR mouse reports from a decoded stdin chunk. Returns the clean
 * keystroke text (mouse bytes removed) plus one wheel delta per wheel
 * report: -1 = wheel up (scroll toward older), +1 = wheel down. Non-wheel
 * mouse events (clicks, moves, drags) are dropped without a delta. Pure, so
 * it's unit-tested directly.
 */
export declare function extractWheel(chunk: string): {
    clean: string;
    deltas: number[];
};
export interface MouseStdin {
    /** Proxy stream to hand to Ink's `render({ stdin })`. */
    stdin: NodeJS.ReadStream;
    /** Emits 'wheel' with a delta (-1 up / +1 down) per wheel notch. */
    wheel: EventEmitter;
    /** Turn on xterm SGR mouse reporting (write to stdout). */
    enable(out: NodeJS.WriteStream): void;
    /** Turn it back off (write to stdout). Idempotent. */
    disable(out: NodeJS.WriteStream): void;
}
/**
 * Wrap the real stdin so Ink never sees mouse bytes. Read the TTY here,
 * split keystrokes from wheel reports, forward keystrokes to a PassThrough
 * that Ink consumes, and emit wheel notches separately.
 */
export declare function createMouseStdin(real: NodeJS.ReadStream): MouseStdin;
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