/**
 * Reads text content from the macOS system clipboard using native pbpaste
 */
export declare function readClipboard(): string;
/**
 * Writes text content to the macOS system clipboard using native pbcopy
 */
export declare function writeClipboard(text: string): void;
/**
 * Returns true if the given text contains structural hallmarks of programming source code,
 * avoiding normal text conversations, urls, or already squeezed blocks.
 */
export declare function isCodeBlock(text: string): boolean;
/**
 * Start background polling of the system clipboard.
 * Auto-squeezes copied code snippets and alerts the developer.
 */
export declare function startClipboardWatcher(intervalMs?: number): void;
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