import { ElementRef, TemplateRef } from '@angular/core';
import type { ExportFormat } from '../shared/chart-export-menu.component';
import * as i0 from "@angular/core";
export interface WordItem {
    text: string;
    value: number;
    color?: string;
}
export interface PlacedWord {
    raw: WordItem;
    index: number;
    text: string;
    fontSize: number;
    x: number;
    y: number;
    width: number;
    height: number;
    color: string;
}
export declare class WordCloudComponent {
    private readonly exportSvc;
    data: import("@angular/core").InputSignal<WordItem[]>;
    height: import("@angular/core").InputSignal<number>;
    colors: import("@angular/core").InputSignal<string[]>;
    showExport: import("@angular/core").InputSignal<boolean>;
    tooltipTemplate: import("@angular/core").InputSignal<TemplateRef<any> | null>;
    containerWidth: import("@angular/core").WritableSignal<number>;
    hoveredIndex: import("@angular/core").WritableSignal<number | null>;
    tooltip: import("@angular/core").WritableSignal<any>;
    tooltipX: import("@angular/core").WritableSignal<number>;
    tooltipY: import("@angular/core").WritableSignal<number>;
    svgEl: import("@angular/core").Signal<ElementRef<SVGElement> | undefined>;
    margin: import("@angular/core").Signal<{
        top: number;
        right: number;
        bottom: number;
        left: number;
    }>;
    svgHeight: import("@angular/core").Signal<number>;
    innerW: import("@angular/core").Signal<number>;
    innerH: import("@angular/core").Signal<number>;
    placedWords: import("@angular/core").Signal<PlacedWord[]>;
    constructor();
    onWordHover(idx: number): void;
    onMouseMove(event: MouseEvent): void;
    onMouseLeave(): void;
    onExport(type: ExportFormat): void;
    exportToCsv(): void;
    exportToJson(): void;
    exportToSvg(): void;
    exportToPdf(): void;
    formatNumber(v: number): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<WordCloudComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<WordCloudComponent, "ngx-word-cloud", never, { "data": { "alias": "data"; "required": false; "isSignal": true; }; "height": { "alias": "height"; "required": false; "isSignal": true; }; "colors": { "alias": "colors"; "required": false; "isSignal": true; }; "showExport": { "alias": "showExport"; "required": false; "isSignal": true; }; "tooltipTemplate": { "alias": "tooltipTemplate"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}