/**
 * Where a VML shape sits, in points from the sheet's top-left — read from the
 * CSS `style` attribute (`margin-left`/`margin-top`/`width`/`height`).
 *
 * The same rectangle is also expressed by `<x:ClientData><x:Anchor>` as
 * (column, offset px, row, offset px) pairs, which needs the sheet's column
 * widths and row heights to resolve. The style is already absolute, and the two
 * agree exactly in every file checked, so this reads the simpler one.
 */
export interface VmlShapeBox {
    readonly xPt: number;
    readonly yPt: number;
    readonly widthPt: number;
    readonly heightPt: number;
}
/** A form control declared by a legacy VML shape's `<x:ClientData>`. */
export interface VmlFormControl {
    /** `ST_ObjectType` — `Radio`, `CheckBox`, `GBox`, `Button`, `Drop`, … */
    readonly objectType: string;
    /** The shape id (`o:spid` without its `_x0000_s` prefix), pairing with `<control shapeId>`. */
    readonly shapeId?: string;
    /** The visible label, from the shape's `<v:textbox>`. */
    readonly caption?: string;
    /** `<x:Checked>` — set on a checked check/option button, absent otherwise. */
    readonly checked?: boolean;
    /** `<x:FirstButton/>` — this option button starts a new group. */
    readonly firstButton?: boolean;
    /** Where the control sits, from the shape's `style` (§{@link VmlShapeBox}). */
    readonly box?: VmlShapeBox;
    /** `<v:textbox><font size>` — twentieths of a point, so 160 is 8pt. */
    readonly fontSizePt?: number;
}
/** A parsed legacy VML drawing: its form controls plus every shape's box. */
export interface VmlDrawing {
    readonly controls: ReadonlyArray<VmlFormControl>;
    /**
     * Shape id (`o:spid` without its `_x0000_s` prefix) → box, for EVERY shape in
     * the part, controls or not. An ActiveX control's box lives nowhere else: its
     * `activeX#.xml` carries only a class id and its `<control>` element carries
     * no anchor, so the `ObjectType="Pict"` shape that shares its `shapeId` is
     * the one thing that says where it goes.
     */
    readonly boxes: ReadonlyMap<string, VmlShapeBox>;
    /**
     * Shape ids whose `<x:ClientData>` clears `<x:PrintObject>` — Excel's "Print
     * object" checkbox, the legacy spelling of §18.3.1.20 `<controlPr print>`.
     * Such a shape is on screen only, and the `<control>` that shares its id must
     * not be drawn either.
     */
    readonly nonPrinting: ReadonlySet<string>;
}
/**
 * Read the form controls out of a legacy VML drawing part.
 *
 * Shapes with no `<x:ClientData>`, or whose object type is not a control (a
 * comment, a text box, a picture), are skipped — this is not a general VML
 * shape reader, only the control channel. See {@link CONTROL_TYPES}.
 *
 * @param data The raw `vmlDrawing#.vml` bytes.
 * @returns One entry per control shape, in document order.
 */
export declare function parseVmlFormControls(data: Uint8Array): Array<VmlFormControl>;
/**
 * Read a legacy VML drawing part: its form controls and every shape's box.
 *
 * @param data The raw `vmlDrawing#.vml` bytes.
 */
export declare function parseVmlDrawing(data: Uint8Array): VmlDrawing;