export declare const DESIGN_STAMP_ATTR = "data-pylon-src";
/** True when the design stamp should be active for this process. */
export declare function isDesignMode(env?: Record<string, string | undefined>): boolean;
/** Directories (relative to the project root) whose JSX gets stamped. */
export declare const DESIGN_STAMP_DIRS: readonly ["app", "components", ".design"];
/**
 * Regex matching absolute paths of the `.tsx` / `.jsx` files under the scoped
 * directories of `root`. Used as the `onLoad` filter so files outside the
 * scope never reach the transform.
 */
export declare function designStampScopePattern(root: string): RegExp;
/** Project-relative path with forward slashes, for the attribute value. */
export declare function relativeSourcePath(root: string, absPath: string): string;
/**
 * Add `data-pylon-src="<relPath>:<line>:<col>"` to every DOM element in a
 * JSX/TSX source. `line` and `col` are 1-based and point at the opening `<`.
 * Returns the source unchanged when no element needs a stamp.
 */
export declare function stampJsxSource(source: string, relPath: string): string;
/**
 * Register the Bun plugin for the project rooted at `root`. Only the files
 * matched by `designStampScopePattern(root)` are transformed.
 */
export declare function registerDesignStampPlugin(root?: string): void;