/**
 * The full URL of the SDK script, captured at module load. Returns
 * `undefined` when the SDK is bundled into the host app (no separate
 * `<script>` tag) or when running outside a browser.
 */
export declare function getSdkScriptUrl(): string | undefined;
/**
 * Directory prefix of the SDK script URL — useful for matching attribution
 * entries from `PerformanceLongTaskTiming` against the SDK bundle and any
 * sibling chunks (source maps, lazy-loaded adaptives) served from the same
 * directory.
 *
 * Example: `https://cdn.syntrologie.com/runtime-sdk/v2/canary/smart-canvas.min.js`
 *       → `https://cdn.syntrologie.com/runtime-sdk/v2/canary/`
 */
export declare function getSdkScriptUrlPrefix(): string | undefined;
