import type { IActivityHandler } from "../../IActivityHandler";
/** Defines inputs to the AddImageToPdf activity. */
export interface AddImageToPdfInputs {
    source: string | number[];
    image: number[];
    x: number;
    y: number;
    height: number;
    width: number;
    borderWidth?: number;
    borderColor?: "000000FF" | "FF0000FF" | "0000FFFF" | string;
    pageIndex?: number;
}
/** Defines outputs from the AddImageToPdf activity. */
export interface AddImageToPdfOutputs {
    /** @description The modified PDF document. */
    result: number[];
}
export declare class AddImageToPdf implements IActivityHandler {
    static readonly action = "gcx:wf:pdf::AddImageToPdf";
    static readonly suite = "gcx:wf:builtin";
    execute(inputs: AddImageToPdfInputs): AddImageToPdfOutputs;
}