import { CurrentApiService, ProjectService, ElementsService, IElement } from 'dbweb-core';
import { MatSnackBar } from '@angular/material';
interface ImportField {
    Name: string;
    Alias: string;
    Type: string;
    MaxLength: number;
    Style: string;
    PrimaryKey: boolean;
    Remark: string;
}
interface MapField {
    Name: string;
    Style: string;
    MapName: string;
    Value: string;
    Remark: string;
}
export interface DoImportResult {
    TaskInfoURL: string;
    TaskInfoSign: string;
    BrowseTaskElement: IElement;
}
export interface ImportInfo {
    TableName: string;
    TableTotal: number;
    TableCanRemove: number;
    Fields: ImportField[];
    NullIden: string;
}
export interface RemoveTableDataResult {
    Total: number;
    CanRemove: number;
}
export declare class ImportService {
    private api;
    private prj;
    private eles;
    private snackBar;
    step: 'select-file' | 'upload' | 'setting' | 'done';
    tableName: string;
    tableTotal: number;
    tableCanRemove: number;
    fields: ImportField[];
    file: File;
    uploadProgress: number;
    serverTempFileName: string;
    firstHead: boolean;
    format: 'CSV' | 'TXT';
    encoding: 'UTF8' | 'GBK';
    nullIden: string;
    previewData: {
        Have: boolean;
        Title: string[];
        Rows: string[][];
        Error: string;
    };
    mapFields: MapField[];
    taskInfoURL: string;
    constructor(api: CurrentApiService, prj: ProjectService, eles: ElementsService, snackBar: MatSnackBar);
    init(): void;
    GetImportInfo(): import("rxjs").Observable<ImportInfo>;
    mustFields(): string[];
    primaryKeyFields(): string[];
    fileType(): string;
    upload(): void;
    refreshPreview(): void;
    doImport(): void;
    removeTableData(): void;
}
export {};