import { ObjectManager } from "../../ObjectManager";
import { MarkupAnnotation, type MarkupAnnotationProperties } from "./MarkupAnnotation";
import { type DefaultAppearance } from "./DefaultAppearance";
import { type Offsets } from "../../Types";
import { LineEndingStyle, VariableTextJustification } from "../../Enums";
import { type Point } from "../../Types";
import { type DefaultAppearanceProperties } from "./DefaultAppearance";
/**
 * Defines the properties of a free text annotation that displays text directly on a page.
 * Unlike an ordinary text annotation ({@link TextAnnotation}),
 * a free text annotation has no open or closed state.
 * Instead of being displayed in a pop-up window, the text is always visible.
 * @see {@link FreeTextAnnotation}
 */
export type FreeTextAnnotationProperties = MarkupAnnotationProperties & {
    type: "freetext";
    /**
     * The apperance that specifies the visual properties (font, font size etc.) used to format
     * the content of the annotation.
     * The apperance can be specified as {@link DefaultAppearanceProperties} with set of properties like font, fontSize, foreColor or
     * as a string as it will be stored in a PDF stream: "/DF0 10 Tf 0 0 0 rg".
     */
    defaultAppearance?: DefaultAppearanceProperties | string;
    /**
     * The {@link Offsets} structure that defines
     * the numerical differences between two rectangles:
     * the {@link AnnotationBase#rect} and an inner rectangle contained within that rectangle.
     * The inner rectangle is where the {@link FreeTextAnnotation}'s text should be displayed.
     *
     * Note that if this rectangle is not specified then {@link AnnotationBase#rect}
     * is used as the text rectangle.
     */
    textOffsets?: Offsets;
    /**
     * The opacity value to be used in painting the annotation.
     * This value applies to all visible elements of the annotation in its closed state
     * (including its background and border) but not to the pop-up window that appears when the annotation is opened.
     */
    opacity?: number;
    /**
     * The justification to be used in displaying the annotation's text.
     * See PDF specification for details.
     */
    justification?: VariableTextJustification;
    /**
     * The array of 2 or 3 {@link Point} structures specifying a callout line attached to the free text annotation.
     * 3 points represent the starting coordinates, the knee point, and the ending coordinates of the line.
     * 2 points represent the starting and ending coordinates of the line.
     * The coordinates are in default user space relative to the upper left corner of the page's media box,
     * with the Y (vertical) coordinates increasing from top to bottom.
     */
    calloutLine?: Point[];
    /**
     * The line width in points.
     */
    lineWidth?: number;
    /**
     * The line dash pattern. Null means a solid line.
     */
    lineDashPattern?: number[];
    /**
     * The style of end callout line.
     */
    lineEndStyle?: LineEndingStyle;
};
/**
 * Represents a free text annotation that displays text directly on a page.
 * Unlike an ordinary text annotation ({@link TextAnnotation}),
 * a free text annotation has no open or closed state.
 * Instead of being displayed in a pop-up window, the text is always visible.
 */
export declare class FreeTextAnnotation extends MarkupAnnotation {
    /**
     * Creates a new {@link FreeTextAnnotation}.
     *
     * @param om - {@link ObjectManager} that controls the lifetime of the {@link FreeTextAnnotation}.
     */
    constructor(om: ObjectManager);
    /**
     * Creates a new {@link FreeTextAnnotation}.
     */
    constructor();
    /**
     * Gets the {@link DefaultAppearance} object that specifies
     * the visual properties (font, font size etc.) used to format the content of the annotation.
     */
    get defaultAppearance(): DefaultAppearance;
    /**
     * Gets or sets the {@link Offsets} structure that defines
     * the numerical differences between two rectangles:
     * the {@link AnnotationBase#rect} and an inner rectangle contained within that rectangle.
     * The inner rectangle is where the {@link FreeTextAnnotation}'s text should be displayed.
     *
     * Note that if this rectangle is not specified then {@link AnnotationBase#rect}
     * is used as the text rectangle.
     */
    get textOffsets(): Offsets | null;
    /**
     * Gets or sets the {@link Offsets} structure that defines
     * the numerical differences between two rectangles:
     * the {@link AnnotationBase#rect} and an inner rectangle contained within that rectangle.
     * The inner rectangle is where the {@link FreeTextAnnotation}'s text should be displayed.
     *
     * Note that if this rectangle is not specified then {@link AnnotationBase#rect}
     * is used as the text rectangle.
     */
    set textOffsets(value: Offsets | null);
    /**
     * Gets or sets the opacity value to be used in painting the annotation.
     * This value applies to all visible elements of the annotation in its closed state
     * (including its background and border) but not to the pop-up window that appears when the annotation is opened.
     */
    get opacity(): number;
    /**
     * Gets or sets the opacity value to be used in painting the annotation.
     * This value applies to all visible elements of the annotation in its closed state
     * (including its background and border) but not to the pop-up window that appears when the annotation is opened.
     */
    set opacity(value: number);
    /**
     * Gets or sets the justification to be used in displaying the annotation's text.
     * See PDF specification for details.
     */
    get justification(): VariableTextJustification;
    /**
     * Gets or sets the justification to be used in displaying the annotation's text.
     * See PDF specification for details.
     */
    set justification(value: VariableTextJustification);
    /**
     * Gets or sets an array of 2 or 3 {@link Point} structures specifying a callout line attached to the free text annotation.
     * 3 points represent the starting coordinates, the knee point, and the ending coordinates of the line.
     * 2 points represent the starting and ending coordinates of the line.
     * The coordinates are in default user space relative to the upper left corner of the page's media box,
     * with the Y (vertical) coordinates increasing from top to bottom.
     */
    get calloutLine(): Point[] | null;
    /**
     * Gets or sets an array of 2 or 3 {@link Point} structures specifying a callout line attached to the free text annotation.
     * 3 points represent the starting coordinates, the knee point, and the ending coordinates of the line.
     * 2 points represent the starting and ending coordinates of the line.
     * The coordinates are in default user space relative to the upper left corner of the page's media box,
     * with the Y (vertical) coordinates increasing from top to bottom.
     */
    set calloutLine(value: Point[] | null);
    /**
     * Gets or sets an array of 2 or 3 {@link Point} structures specifying a callout line attached to the free text annotation.
     * 3 points represent the starting coordinates, the knee point, and the ending coordinates of the line.
     * 2 points represent the starting and ending coordinates of the line.
     * The coordinates are specified in PDF user space.
     * The positive X axis extends horizontally to the right, and the positive Y axis
     * extends vertically upward, with the origin usually in the lower left corner of the page.
     */
    get pdfCalloutLine(): Point[] | null;
    /**
     * Gets or sets an array of 2 or 3 {@link Point} structures specifying a callout line attached to the free text annotation.
     * 3 points represent the starting coordinates, the knee point, and the ending coordinates of the line.
     * 2 points represent the starting and ending coordinates of the line.
     * The coordinates are specified in PDF user space.
     * The positive X axis extends horizontally to the right, and the positive Y axis
     * extends vertically upward, with the origin usually in the lower left corner of the page.
     */
    set pdfCalloutLine(value: Point[] | null);
    /**
     * Gets or sets the line width in points.
     */
    get lineWidth(): number;
    /**
     * Gets or sets the line width in points.
     */
    set lineWidth(value: number);
    /**
     * Gets or sets the line dash pattern. Null means a solid line.
     */
    get lineDashPattern(): number[] | null;
    /**
     * Gets or sets the line dash pattern. Null means a solid line.
     */
    set lineDashPattern(value: number[] | null);
    /**
     * Gets or sets the style of end callout line.
     */
    get lineEndStyle(): LineEndingStyle;
    /**
     * Gets or sets the style of end callout line.
     */
    set lineEndStyle(value: LineEndingStyle);
}