import { RendererFactory2 } from '@angular/core';
import * as i0 from "@angular/core";
export declare class FontOptions {
    fontSize?: string;
    fontFamily?: string;
    letterSpacing?: string;
    lineHeight?: string;
}
export declare class StringUtilService {
    private _document;
    private _renderer;
    constructor(_rendererFactory: RendererFactory2, _document: any);
    getStringWidth(str: string, fontOptions?: string | FontOptions | CSSStyleDeclaration): number;
    getStringHeight(str: string, widthConstraint?: number, fontOptions?: string | FontOptions | CSSStyleDeclaration): any;
    padLeft(orig: string, len: number, pad: string): string;
    private _setElementCommonStringDimensionStyles;
    private _setElementFontOptions;
    static ɵfac: i0.ɵɵFactoryDef<StringUtilService, never>;
    static ɵprov: i0.ɵɵInjectableDef<StringUtilService>;
}