import type { FileGetter, ManifestImporter, ModuleInfo } from '../moduleTypes';
/**
 * Options for resolving modules given a path
 */
export interface ImportResolutionOptions {
    /**
     * If `null`, the resolver will only match exact files
     * Otherwise, the resolver will first try to match an exact path,
     * then paths ending with the given extensions
     *
     * For the given path: `./a`, `null` will only match `./a`
     * Otherwise, providing an array like :`['js', 'ts']` will try
     * match `./a`, `./a.js` and then `./a.ts`
     */
    extensions: string[] | null;
    /**
     * Custom importer for the modules manifest. Set to `undefined` to use the default importer.
     */
    manifestImporter?: ManifestImporter;
}
export declare const defaultResolutionOptions: ImportResolutionOptions;
export type ResolverResult = ({
    type: 'source';
} & ModuleInfo) | {
    type: 'local';
    absPath: string;
    contents: string;
};
/**
 * Resolve a relative module path to an absolute path.
 */
export default function resolveFile(fromPath: string, toPath: string, fileGetter: FileGetter, options?: Partial<ImportResolutionOptions>): Promise<ResolverResult | undefined>;