import { ZodErrorMap } from "zod";
import type { Schemas } from "./parse-env.js";
export declare const errorMap: ZodErrorMap;
export interface ErrorWithContext {
    /** The env var name. */
    key: string;
    /** The actual value present in `process.env[key]`, or undefined. */
    receivedValue: unknown;
    /** `ZodError` if Zod parsing failed, or `Error` if a preprocessor threw. */
    error: unknown;
    /** If a default was provided, whether the default value was used. */
    defaultUsed: boolean;
    /** If a default was provided, the given default value. */
    defaultValue: unknown;
}
export interface TokenFormatters {
    /** Formatter for the env var name. */
    formatVarName?: (key: string) => string;
    /** For parsed objects with errors, formatter for object keys. */
    formatObjKey?: (key: string) => string;
    /** Formatter for the actual value we received for the env var. */
    formatReceivedValue?: (val: unknown) => string;
    /** Formatter for the default value provided for the schema. */
    formatDefaultValue?: (val: unknown) => string;
    /** Formatter for the error summary header. */
    formatHeader?: (header: string) => string;
}
export type Reporter = (errors: ErrorWithContext[], schemas: Schemas) => string;
export declare function makeDefaultReporter(formatters: TokenFormatters): Reporter;
export declare function reportErrors(errors: ErrorWithContext[], schemas: Schemas, { formatVarName, formatObjKey, formatReceivedValue, formatDefaultValue, formatHeader, }?: TokenFormatters): string;