import { TelcoNumberAllocation } from './telco-number-allocation';
/**
 * Represents the official NCC mobile numbering plan for Nigeria.
 * Last updated based on March 2025 NCC data.
 */
export declare class MobileNumberingPlan {
    private readonly networkCodeMap;
    private initialized;
    /**
     * Searches the national mobile numbering plan for the number range to which
     * the given local number belongs.
     *
     * @param localNumber The local number to search for
     * @returns The TelcoNumberAllocation if found, null otherwise
     */
    search(localNumber: number): TelcoNumberAllocation | null;
    /**
     * Initialize the map structure without loading all the data
     */
    private lazyInitialize;
    /**
     * Load data for a specific network code
     *
     * This method implements a lazy loading strategy to optimize performance.
     * Instead of loading the entire numbering plan at initialization (which would
     * cause startup delays), we only load data for specific network codes when
     * they are first encountered during a search operation.
     *
     * The workflow is:
     * 1. When a search is performed, we check if we have allocation data for the network code
     * 2. If the array exists but is empty, we call this method to load just that network code's data
     * 3. This keeps memory usage low and avoids unnecessary initialization time
     *
     * @param networkCode The network code to load allocation data for
     */
    private loadNetworkCodeData;
}