export declare const MIN_IMAGE_BYTES = 100;
/**
 * ClipboardWriteFunction - Type for surface-specific clipboard write implementations.
 * Surfaces (e.g., TUI) inject their own implementation (e.g., OSC 52 for terminals).
 */
export type ClipboardWriteFunction = (text: string) => void;
/**
 * missingClipboardReaderHint - Why the clipboard could not be read, in words a
 * person can act on, or undefined when the tooling to read it is present.
 *
 * A terminal cannot be handed an image by the terminal itself: bracketed paste
 * and OSC 52 carry text, so a pasted image has to be read from the system
 * clipboard directly. On Linux that means a helper program, and when it is
 * absent the honest answer names the package rather than reporting an empty
 * clipboard, "nothing happened" is what an uninstalled package looked like
 * before this existed.
 */
export declare function missingClipboardReaderHint(env?: {
    readonly platform?: string;
    readonly wayland?: boolean;
    readonly has?: (tool: string) => boolean;
}): string | undefined;
/**
 * 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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