/**
 * Centralized API URL
 *
 * Single validated getter for the Pluginator API URL.
 * Prevents bypass of tier limits via custom API URL pointing
 * to a malicious server that always returns allowed: true.
 *
 * @since v2.4.5
 */
/**
 * Get the validated API URL.
 * Falls back to the default URL if the env var is missing or fails SSRF validation.
 */
export declare function getApiUrl(): string;
/** Reset cached URL (for testing only) */
export declare function resetApiUrl(): void;
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