/**
 * Asserts that the number of requested fetch domains is within the allowed limit.
 * @param requestedFetchDomains - The array of requested fetch domains.
 * @throws Error if the number of domains exceeds the limit.
 */
export declare function assertRequestedFetchDomainsLimit(requestedFetchDomains: string[]): void;
/**
 * Normalizes the requested fetch domains by removing the protocol and 'www' prefix if present.
 * @param requestedFetchDomains - The array of requested fetch domains.
 * @returns An array of normalized domains.
 * @throws Error if any domain format is invalid.
 */
export declare function normalizeDomains(requestedFetchDomains: string[]): string[];
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