import { ObjectManager } from "../../ObjectManager";
import { FileSpecification } from "../FileSpecification";
import { MarkupAnnotation, type MarkupAnnotationProperties } from "./MarkupAnnotation";
import { type FileSpecificationProperties } from "../FileSpecification";
/**
 * Specifies the type of attachment icon to use.
 */
export type FileAttachmentAnnotationIcon = "Paperclip" | "PushPin" | "Tag" | "Graph";
/**
 * Defines properties of an annotation what represents a reference to a file which typically is embedded in the PDF file.
 * @see {@link FileAttachmentAnnotation}
 */
export type FileAttachmentAnnotationProperties = MarkupAnnotationProperties & {
    type: "file";
    /**
     * The type of the icon used to display the annotation.
     */
    icon?: FileAttachmentAnnotationIcon;
    /**
     * The {@link FileSpecification} or {@link FileSpecificationProperties} object that defines the referenced file.
     */
    file?: FileSpecification | FileSpecificationProperties;
};
/**
 * Represents a reference to a file which typically is embedded in the PDF file.
 */
export declare class FileAttachmentAnnotation extends MarkupAnnotation {
    /**
     * Creates a new {@link FileAttachmentAnnotation}.
     *
     * @param om - {@link ObjectManager} that controls the lifetime of the {@link FileAttachmentAnnotation}.
     */
    constructor(om: ObjectManager);
    /**
     * Creates a new {@link FileAttachmentAnnotation}.
     */
    constructor();
    /**
     * Gets or sets the type of the icon used to display the annotation,
     * the standard icons: "Paperclip", "PushPin", "Tag", "Graph".
     */
    get icon(): string | null;
    /**
     * Gets or sets the type of the icon used to display the annotation,
     * the standard icons: "Paperclip", "PushPin", "Tag", "Graph".
     */
    set icon(value: FileAttachmentAnnotationIcon);
    /**
     * Gets or sets the {@link FileSpecification} object that defines the referenced file.
     */
    get file(): FileSpecification | null;
    /**
     * Gets or sets the {@link FileSpecification} object that defines the referenced file.
     */
    set file(value: FileSpecification | FileSpecificationProperties | null);
}