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{\n      const scrollPos = window.scrollY;\n      if (beforeEl && beforeEl instanceof HTMLElement) {\n        const props = beforeEl.getBoundingClientRect();\n        startPos = scrollPos + props.top + props.height;\n      }\n      if (afterEl && afterEl instanceof HTMLElement) {\n        endPos = scrollPos + afterEl.getBoundingClientRect().top;\n      }\n\n      window.requestAnimationFrame(() => {\n        if (\n          scrollPos > startPos &&\n          !(endPos && scrollPos > endPos - El.clientHeight - (parseInt(offsetBottom as string, 10) || 0))\n        ) {\n          El.classList.add('stickyElx');\n          El.style.position = isStickyPos ? 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