import type { DefaultExportSignature } from "./rules/AS-export-import-meta.js";
import { type SourceSpan } from "../parse/parser.js";
import type { Modules } from "./rules/module-registry.js";
export type Diagnostic = {
    code: string;
    severity: "error" | "info" | "warning";
    message: string;
    filename: string;
    line: number;
    column: number;
    span: SourceSpan;
    fix?: Fix;
    hint?: string;
};
export type Fix = {
    range: readonly [number, number];
    replacement: string;
};
export type LintOptions = {
    allowedExportNames?: readonly string[];
    allowedGlobals?: readonly string[];
    defaultExport?: DefaultExportSignature;
    fix?: boolean;
    filename?: string;
    largeLiteralThreshold?: number;
    frontmatterFields?: readonly string[];
    modules?: Modules;
};
export type LintFixResult = {
    diagnostics: Diagnostic[];
    fixed: string;
};
export declare function lint(source: string, options: LintOptions & {
    fix: true;
}): LintFixResult;
export declare function lint(source: string, options?: LintOptions): Diagnostic[];