export declare const MIN_IMAGE_BYTES = 100;
/**
 * copyToClipboard - Uses OSC 52 escape sequence to copy text.
 */
export declare function copyToClipboard(text: string): void;
/**
 * pasteFromClipboard - Attempts to read from system clipboard using platform tools.
 */
export declare function pasteFromClipboard(): string;
/**
 * pasteImageFromClipboard - Attempts to read image data from system clipboard.
 * Returns base64-encoded image data and mediaType, or null if no image is available.
 */
export declare function pasteImageFromClipboard(): {
    data: string;
    mediaType: string;
} | null;
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