import ts from 'typescript';
export declare type Nullable<T> = T | null | undefined;
export interface PluginParams<TPluginOptions> {
    options: TPluginOptions;
    fileName: string;
    rootDir: string;
    text: string;
    sourceFile: ts.SourceFile;
    getLanguageService: () => ts.LanguageService;
}
export declare type PluginResult = string | void;
export interface LintConfig {
    useTabs: boolean;
    tabWidth: number;
}
export interface Plugin<TPluginOptions = unknown> {
    name: string;
    run(params: PluginParams<TPluginOptions>, lintConfig?: LintConfig): Promise<PluginResult> | PluginResult;
    /**
     * Returns true if options is a valid options object for this plugin.
     * If options is invalid, it throws a PluginOptionsError.
     *
     * This method should be implemented if TPluginOptions is anything other than unknown.
     */
    validate?(options: unknown): options is TPluginOptions;
}
export declare type PluginWithOptions<TPluginOptions = unknown> = {
    plugin: Plugin<TPluginOptions>;
    options: TPluginOptions;
};