declare namespace Ext {
    export namespace util {
        export interface TextMetricsConfig {
        }

        export class TextMetrics extends Ext.Base  {
            public bind(el?: string | Ext.dom.Element | HTMLElement): void;
            public constructor(bindTo?: string | Ext.dom.Element | HTMLElement, fixedWidth?: number);
            public getHeight(text?: string): number;
            public getSize(text?: string): object;
            public getWidth(text?: string): number;
            public setFixedWidth(width?: number): void;
            public static measure(el?: string | HTMLElement, text?: string, fixedWidth?: number): object;
        }
    }
}