/**
 * Global routing origin validation patterns for Amazon Connect instances.
 * These patterns validate origins that support cross-region functionality.
 */
/**
 * Determines whether two origins should be allowed to communicate with each other.
 * This validates cross-region communication by ensuring both origins are valid
 * global routing domains with the same base domain (after removing region prefix).
 *
 * @param eventOrigin - The origin from the message event
 * @param expectedOrigin - The expected origin from configuration
 * @returns True if the origins should be allowed to communicate
 */
export declare function isValidRegionalOriginPair(eventOrigin: string, expectedOrigin: string): boolean;
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