import { NodeSpec } from "prosemirror-model";
export declare type TypeName = "at";
export interface AttachmentAttrs {
    /**
     * "File Name"
     *
     * The name of the attachment's underlying file.
     */
    fn?: string;
    /**
     * "ID"
     *
     * The backend storage ID for the attachment.
     */
    id: string;
    /**
     * "Hide Preview"
     *
     * If `true`, indicates that no preview for the attachment should be
     * displayed, instead being displayed as a simple card.
     */
    hp?: boolean;
    /**
     * "Natural Height"
     *
     * For image attachments, the height dimension (in display pixels). For
     * high-DPI images the value is in display dimensions (not bitmap dimensions).
     * For example given an `image@2x.jpg` file with size 120×30, the height is 15.
     */
    nh?: number;
    /**
     * "Natural Width"
     *
     * For image attachments, the width dimension (in display pixels). For
     * high-DPI images the value is in display dimensions (not bitmap dimensions).
     * For example given an `image@2x.jpg` file with size 120×30, the width is 60.
     */
    nw?: number;
    /**
     * "Type"
     *
     * The type of attachment. This is used to choose an appropriate attachment
     * previewer. It's also used to determine the size of a placeholder based on
     * the natural size.
     */
    t?: string;
}
export declare const typeName: TypeName;
export declare const domDataAttrType = "data-dovetail-type";
export declare const domDataAttrAttrs = "data-dovetail-attrs";
export declare const nodeSpec: NodeSpec;