declare namespace Ext {
    export namespace form {
        export namespace action {
            export interface LoadConfig {
                failure?: string | CallableFunction;
                form?: Ext.form.Basic;
                headers?: object;
                method?: string;
                params?: object | string;
                reset?: boolean;
                scope?: object;
                submitEmptyText?: boolean;
                success?: string | CallableFunction;
                timeout?: number;
                url?: string;
                waitMsg?: string;
                waitTitle?: string;
            }

            export class Load extends Ext.form.action.Action  {
            }
        }
    }
}