/**
 * Google-specific normalization for Enhanced Conversions.
 *
 * Follows the rules documented in
 * https://support.google.com/google-ads/answer/13262500 — phone numbers must be
 * in E.164 format, emails lowercased with provider-specific dot stripping on
 * gmail/googlemail, and names/addresses normalized to lowercase without
 * leading/trailing whitespace.
 */
export declare function normalizeEmail(raw: string | null | undefined): string | null;
/**
 * Normalize a phone number to E.164. If the input has no leading '+' we
 * cannot reliably infer the country code, so we return null rather than
 * send an unhashable/ambiguous value — Enhanced Conversions treats missing
 * fields as acceptable.
 */
export declare function normalizePhone(raw: string | null | undefined): string | null;
export declare function normalizeBasic(raw: string | null | undefined): string | null;
/** Postal codes: collapse whitespace, uppercase (some ISO formats are alpha). */
export declare function normalizePostalCode(raw: string | null | undefined): string | null;
/**
 * Read a nested path from an object using dot notation. Used by the
 * event-bridge to extract `value`/`currency`/`transaction_id` from the
 * captured event payload based on the admin-configured path.
 */
export declare function getByPath(source: unknown, path: string | null | undefined): unknown;
export declare function coerceNumber(value: unknown): number | undefined;
export declare function coerceString(value: unknown): string | undefined;