import { Signal, WritableSignal } from '@angular/core';
import { AbstractControl, FormArray, FormGroup } from '@angular/forms';
import { ColumnDefinition, ColumnDirective, FormGroupConfig } from 'verben-ng-ui/src/lib/components/data-table';
import { DataImportService } from './data-import.service';
import * as i0 from "@angular/core";
export declare class DataImportComponent<T extends {}> {
    service: DataImportService<T>;
    previewColumns: import("@angular/core").InputSignal<ColumnDefinition<T>[]>;
    formGroupConfig: import("@angular/core").InputSignal<FormGroupConfig<{ [K in keyof T]: AbstractControl<any, any>; }> | undefined>;
    /**
     * @deprecated Use importKey of previewColumns instead
     */
    fields: import("@angular/core").InputSignal<string[] | undefined>;
    title: import("@angular/core").InputSignal<string>;
    columnTemplates: import("@angular/core").InputSignal<readonly ColumnDirective[]>;
    parser: import("@angular/core").InputSignal<((data: any) => Partial<T>[]) | undefined>;
    /**
     * @deprecated Please remove, now handled internally
     */
    previewData: import("@angular/core").InputSignal<T[] | undefined>;
    /**
     * Pass the method to use the imported data,
     * and eventually returns true if successfully used
     */
    onImportComplete: import("@angular/core").InputSignal<((data: Partial<T>[]) => Promise<boolean>) | undefined>;
    /**
     * @deprecated Please remove, now handled internally
     */
    exportTemplateEvent: import("@angular/core").OutputEmitterRef<string[]>;
    /**
     * @deprecated Please remove, now handled internally
     */
    importEvent: import("@angular/core").OutputEmitterRef<File>;
    /**
     * @deprecated Use the onImportComplete input instead
     */
    importEventData: import("@angular/core").OutputEmitterRef<Partial<T>[]>;
    /**
     * @deprecated Please remove, now handled internally
     */
    rowSave: import("@angular/core").OutputEmitterRef<{
        index: number;
        key: number | string;
        data: Partial<T>;
    }>;
    previewColumnsList: Signal<ColumnDefinition<T>[]>;
    forms: FormArray<FormGroup<any>>;
    uniqueIdentifiers: WritableSignal<string[]>;
    duplicateIndexSet: Set<number>;
    invalidIndexSet: Map<number, string[]>;
    headers: Signal<string[]>;
    private _ext;
    files: File[];
    isDragging: boolean;
    showPreview: boolean;
    constructor(service: DataImportService<T>);
    onDragOver(event: DragEvent): void;
    onDragLeave(event: DragEvent): void;
    onDrop(event: DragEvent): void;
    onFileSelected(event: any): void;
    reset(): void;
    save(): void;
    getControlNames(): string[];
    handleTemplateExport(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<DataImportComponent<any>, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<DataImportComponent<any>, "lib-data-import", never, { "previewColumns": { "alias": "previewColumns"; "required": true; "isSignal": true; }; "formGroupConfig": { "alias": "formGroupConfig"; "required": false; "isSignal": true; }; "fields": { "alias": "fields"; "required": false; "isSignal": true; }; "title": { "alias": "title"; "required": false; "isSignal": true; }; "columnTemplates": { "alias": "columnTemplates"; "required": false; "isSignal": true; }; "parser": { "alias": "parser"; "required": false; "isSignal": true; }; "previewData": { "alias": "previewData"; "required": false; "isSignal": true; }; "onImportComplete": { "alias": "onImportComplete"; "required": false; "isSignal": true; }; }, { "exportTemplateEvent": "exportTemplateEvent"; "importEvent": "importEvent"; "importEventData": "importEventData"; "rowSave": "rowSave"; }, never, never, false, never>;
}