import type { IActivityHandler, EmptyOutputs } from "../../IActivityHandler";
/** Describes inputs for the Inject Css activity. */
export interface InjectCssInputs {
    content?: string;
    url?: string;
}
export declare class InjectCss implements IActivityHandler {
    static readonly action = "gcx:wf:browser::InjectCss";
    static readonly suite = "gcx:wf:builtin";
    execute(inputs: InjectCssInputs): EmptyOutputs;
}