import type ESLint from 'eslint';
type Falsy = boolean | null | undefined | 0 | 0n | '';
export interface LegacyConfig extends ESLint.Linter.Config {
    /**
     * Included file patterns for the resulting flat configurations.
     */
    files?: string[];
    /**
     * Ignored file patterns for the resulting flat configurations.
     */
    ignores?: string[];
    /**
     * Resolve plugins relative to this path. If this is a `file:` URL, it is
     * assumed to be `import.meta.url`, and will be converted to a simple
     * directory path.
     */
    resolvePluginsRelativeTo?: string;
}
/**
 * Helper for building ESLint flat configurations.
 */
export declare class FlatConfigBuilder {
    #private;
    protected constructor(configs: ESLint.Linter.FlatConfig[]);
    /**
     * Use flat configurations. Can also be falsy or a factory function.
     */
    readonly use: <TArgs extends unknown[] = []>(config: ESLint.Linter.FlatConfig | ESLint.Linter.FlatConfig[] | Falsy | ((...args: TArgs) => ESLint.Linter.FlatConfig | ESLint.Linter.FlatConfig[]), ...args: TArgs) => FlatConfigBuilder;
    /**
     * Use a legacy (eslintrc) configuration. Can also be falsy.
     */
    readonly useLegacy: (config: LegacyConfig | Falsy) => FlatConfigBuilder;
    /**
     * Add global ignore patterns to any previously defined global ignore
     * patterns. This is always additive. If you want to replace previous global
     * ignore patterns, call `use({ ignores: [...] })` instead.
     */
    readonly ignore: (...patterns: string[]) => FlatConfigBuilder;
    readonly build: () => ESLint.Linter.FlatConfig[];
    static create(): FlatConfigBuilder;
}
export declare const flatConfigBuilder: () => FlatConfigBuilder;
export {};