import ImportProcessor from "../ImportProcessor";
import TokenProcessor from "../TokenProcessor";
import RootTransformer from "./RootTransformer";
import Transformer from "./Transformer";
export default class ImportTransformer extends Transformer {
    readonly rootTransformer: RootTransformer;
    readonly tokens: TokenProcessor;
    readonly importProcessor: ImportProcessor;
    readonly shouldAddModuleExports: boolean;
    private hadExport;
    private hadNamedExport;
    private hadDefaultExport;
    constructor(rootTransformer: RootTransformer, tokens: TokenProcessor, importProcessor: ImportProcessor, shouldAddModuleExports: boolean);
    getPrefixCode(): string;
    getSuffixCode(): string;
    process(): boolean;
    /**
     * Transform this:
     * import foo, {bar} from 'baz';
     * into
     * var _baz = require('baz'); var _baz2 = _interopRequireDefault(_baz);
     *
     * The import code was already generated in the import preprocessing step, so
     * we just need to look it up.
     */
    private processImport();
    /**
     * Erase this import, and if it was either of the form "import type" or
     * contained only "type". Such imports should not even do a side-effect
     * import.
     *
     * The position should end at the import string.
     */
    private removeImportAndDetectIfType();
    private removeRemainingImport();
    private processIdentifier();
    processObjectShorthand(): boolean;
    processExport(): boolean;
    private processAssignment();
    private processExportDefault();
    /**
     * Transform this:
     * export const x = 1;
     * into this:
     * const x = exports.x = 1;
     */
    private processExportVar();
    /**
     * Transform this:
     * export function foo() {}
     * into this:
     * function foo() {} exports.foo = foo;
     */
    private processExportFunction();
    /**
     * Skip past a function with a name and return that name.
     */
    private processNamedFunction();
    /**
     * Transform this:
     * export class A {}
     * into this:
     * class A {} exports.A = A;
     */
    private processExportClass();
    /**
     * Transform this:
     * export {a, b as c};
     * into this:
     * exports.a = a; exports.c = b;
     *
     * OR
     *
     * Transform this:
     * export {a, b as c} from './foo';
     * into the pre-generated Object.defineProperty code from the ImportProcessor.
     */
    private processExportBindings();
    private processExportStar();
}