export interface PDFObject {
}
export interface DictionaryObject {
    /** really, it could be so much */
    [index: string]: any;
}
/** A reference to an object declaration. The object may not already be read,
so we can't immediately resolve it to the IndirectObject instance that is
pointed to. For example, the following snippet would evaluate to
{object_number: 339, generation: 0}

    339 0 R

See 7.3.10, PDF32000_2008.pdf:29
*/
export interface IndirectReference {
    /** positive integer */
    object_number: number;
    /** non-negative integer, usually 0 */
    generation_number: number;
}
/** An object declaration. For example, the following snippet would evaluate
to {object_number: 11, generation_number: 0, value: "Hello World!"}

    1 0 obj
      (Hello World!)
    endobj

See 7.3.10, PDF32000_2008.pdf:29
*/
export interface IndirectObject extends IndirectReference {
    value: any;
}
/** CrossReference objects are derived from xref declarations. The object_number
depends on the header of the xref subsection, but supposing the following
string is the second line in an xref subsection starting with "0 2":

    0000000198 00000 n

It evaluates to:

    {
      object_number: 2,
      offset: 198,
      generation_number: 0,
      in_use: true,
    }
*/
export interface CrossReference extends IndirectReference {
    in_use: boolean;
    offset?: number;
    object_stream_object_number?: number;
    object_stream_index?: number;
}
/**
A PDF Rectangle is a 4-tuple [x1, y1, x2, y2], where [x1, y1] and [x2, y2] are
points in any two diagonally opposite corners, usually lower-left to
upper-right.

From the spec:

> **rectangle**
> a specific array object used to describe locations on a page and bounding
> boxes for a variety of objects and written as an array of four numbers giving
> the coordinates of a pair of diagonally opposite corners, typically in the
> form `[ llx lly urx ury ]` specifying the lower-left x, lower-left y,
> upper-right x, and upper-right y coordinates of the rectangle, in that order
*/
export declare type Rectangle = [number, number, number, number];