import type { Logging } from 'homebridge';
import type { SecuritySystemOptions } from '../interfaces/options-interface.js';
type RawConfig = Record<string, unknown>;
/**
 * Centralises all configuration parsing, validation, and normalisation.
 * Construct with the raw Homebridge config object; access the fully-typed
 * result via the `options` property.
 */
export declare class ConfigurationService {
    private readonly log;
    readonly options: SecuritySystemOptions;
    constructor(log: Logging, raw: RawConfig);
    private isSet;
    private str;
    private num;
    private bool;
    private strArr;
    /** Rewrites deprecated config keys to their current equivalents in-place. */
    private applyDeprecations;
    private parse;
    private validate;
    private normalize;
}
export {};