import CustomError from 'es6-error';
import { IConfigContext } from './context';
export declare class ConfigError extends CustomError {
    readonly context: IConfigContext;
    readonly innerError: Error | null;
    constructor(msg: string, context: IConfigContext, innerError?: Error | null);
}
export declare class AggregatedConfigError extends ConfigError {
    readonly errors: ReadonlyArray<ConfigError>;
    constructor(errors: ReadonlyArray<ConfigError>, context: IConfigContext, message?: string);
}
export declare const isConfigError: (o: any) => o is ConfigError;
export declare const toError: (e: ReadonlyArray<ConfigError>, ctx: IConfigContext) => AggregatedConfigError | null;