import { SupabaseAdapter } from '../../infrastructure/adapters/supabase.adapter';
/**
 * Configuration entry from database
 */
export interface ConfigEntry {
    id: string;
    config_key: string;
    config_value: string;
    config_type: 'string' | 'number' | 'boolean';
    description?: string;
    is_sensitive: boolean;
    created_at: Date;
    updated_at: Date;
}
/**
 * Parsed configuration value
 */
export type ConfigValue = string | number | boolean;
/**
 * Configuration Repository
 * Manages application configuration stored in the database
 */
export declare class ConfigRepository {
    private adapter;
    private readonly TABLE_NAME;
    constructor(adapter: SupabaseAdapter);
    /**
     * Get a single configuration value by key
     */
    get(key: string): Promise<ConfigValue | null>;
    /**
     * Get all configuration entries
     */
    getAll(): Promise<Record<string, ConfigValue>>;
    /**
     * Get configuration entries by prefix (e.g., 'queue.' returns all queue configs)
     */
    getByPrefix(prefix: string): Promise<Record<string, ConfigValue>>;
    /**
     * Set a configuration value
     */
    set(key: string, value: ConfigValue): Promise<void>;
    /**
     * Delete a configuration entry
     */
    delete(key: string): Promise<void>;
    /**
     * Parse configuration value based on its type
     */
    private parseValue;
}
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