import { Token } from 'sucrase/dist/parser/tokenizer';
import { TokenType as tt } from 'sucrase/dist/parser/tokenizer/types';
import { Identifier, ClassDeclaration, FunctionDeclaration, VariableDeclaration, VariableDeclarator, Parameter, ObjectPattern, ArrayPattern, Expression, ExportAllDeclaration, ExportDefaultDeclaration, ExportNamedDeclaration, ExportSpecifier, ImportDeclaration, ImportSpecifier } from './types';
export declare class Scanner {
    private tokens;
    binding: Map<string, ClassDeclaration | FunctionDeclaration | VariableDeclarator>;
    topLevelDeclarations: Array<VariableDeclaration | FunctionDeclaration | ClassDeclaration>;
    exportDeclarations: Array<ExportAllDeclaration | ExportDefaultDeclaration | ExportNamedDeclaration>;
    importDeclarations: ImportDeclaration[];
    constructor(source: string, tokens: Token[]);
    scan(): void;
    processRoot(): void;
    processExportDeclaration(): void;
    processImportDeclaration(): void;
    processTopLevelVariableDeclaration(): void;
    processTopLevelIdentifierDeclaration(): void;
    scanClassDeclaration(startIndex: number): ClassDeclaration;
    scanFunctionDeclaration(startIndex: number): FunctionDeclaration;
    scanAssignmentExpression(startIndex: number): Expression;
    scanDeclaration(startIndex: number): FunctionDeclaration | ClassDeclaration | VariableDeclaration | null;
    parseFormalParameters(startIndex: number): [Parameter[], number] | null;
    parseVariableDeclarator(startIndex: number): [VariableDeclarator, number] | null;
    parseObjectBindingPattern(startIndex: number): [ObjectPattern, number] | null;
    parseArrayBindingPattern(startIndex: number): [ArrayPattern, number] | null;
    parseNamedExports(startIndex: number): [ExportSpecifier[], number] | null;
    parseNamedImports(startIndex: number): [ImportSpecifier[], number] | null;
    parseNamedModules(startIndex: number): [[Identifier, Identifier][], number] | null;
    skipComputedPropertyName(startIndex: number): number;
    skipAssignmentExpression(startIndex: number): number;
    skipToken(startIndex: number, rule: {
        accepts: tt[];
        until?: undefined;
    } | {
        until: tt[];
        accepts?: undefined;
    }): number;
}