import * as babelTypes from '@babel/types';
import * as babel from '@babel/parser';
/**
 * Runs each literal-arg matcher in order and returns the first hit as a
 * `{alias, aliasType, mustExclude?, mayExclude?}` derivative for the walker to
 * bundle. When `test` is true returns a printable form (used by unit tests).
 */
export declare function visitorSuccessful(node: babelTypes.Node, test?: boolean): string | {
    alias: string | number | boolean;
    aliasType: number;
    mustExclude: boolean;
    mayExclude: boolean;
} | {
    alias: string | number | boolean;
    aliasType: number;
    mustExclude?: undefined;
    mayExclude?: undefined;
} | {
    alias: string | number | boolean;
    aliasType: number;
    mayExclude: boolean;
    mustExclude?: undefined;
} | null;
/** Entry visitor for dynamic requires whose target isn't known at build time — returns the alias to warn about. */
export declare function visitorNonLiteral(n: babelTypes.Node): {
    alias: string;
    mustExclude: boolean;
    mayExclude: boolean;
} | null;
/** Fires on require/require.resolve shapes the literal matchers rejected (wrong arg count, etc.). */
export declare function visitorMalformed(n: babelTypes.Node): {
    alias: string;
} | null;
/** Flags `path.resolve(...)` so the walker can warn that it resolves against `process.cwd()` at runtime, not `__dirname`. */
export declare function visitorUseSCWD(n: babelTypes.Node): {
    alias: string;
} | null;
type VisitorFunction = (node: babelTypes.Node, trying?: boolean) => boolean;
/**
 * `babel.parse` wrapper. `isEsm` selects `sourceType: 'module'` so `import.meta`
 * / top-level await parse cleanly. `decorators-legacy` is enabled so third-party
 * sources that ship raw `@decorator` syntax (fontkit, older MobX/Nest builds,
 * etc.) don't trip the parser and silently drop their dependency graph.
 */
export declare function parse(body: string, isEsm?: boolean): babel.ParseResult<babelTypes.File>;
/**
 * Parses `body` and walks the AST with `visitor`. Parse failures are logged
 * (not thrown) so one unparseable file doesn't abort the whole build — but the
 * file's dependencies are then skipped, which is why callers must pass the
 * correct `isEsm` flag.
 */
export declare function detect(body: string, visitor: VisitorFunction, file?: string, isEsm?: boolean): void;
export {};
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