import { ValidatorOptions } from '@joktec/utils';
import { OnModuleInit } from '@nestjs/common';
import { ConfigGetOptions, ConfigService as JsConfigService, NoInferType } from '@nestjs/config';
import { IValidationProperty } from '../../exceptions';
import { Constructor } from '../../models';
import { AppConfig } from './config.factory';
export declare class ConfigService extends JsConfigService implements OnModuleInit {
    private _appConfig;
    onModuleInit(): void;
    get appConfig(): AppConfig;
    exist(propertyPath: string): boolean;
    parse<T extends object = Record<string, any>>(clazz: Constructor<T>, propertyPath: string, defaultValue?: NoInferType<T>, options?: ConfigGetOptions): T;
    parseOrThrow<T extends object = Record<string, any>>(clazz: Constructor<T>, propertyPath: string, defaultValue?: NoInferType<T>, options?: {
        infer?: true;
    } & ValidatorOptions): T;
    validate(value: object, options?: ValidatorOptions): IValidationProperty[];
    resolveConfigValue(keyOrValue: string, fallback?: boolean): string;
}
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