import { Annotation } from '@linkurious/ogma-annotations';
import { AnnotationCollection } from '@linkurious/ogma-annotations';
import { AnnotationFeature } from '@linkurious/ogma-annotations';
import { ArrowStyles } from '@linkurious/ogma-annotations';
import { Control } from '@linkurious/ogma-annotations';
import { default as default_2 } from 'react';
import { ReactElement } from 'react';
import { TextStyle } from '@linkurious/ogma-annotations';

declare type AnnotationAction = {
    type: AnnotationActionType;
    payload: Annotation;
};

declare type AnnotationActionType = "add" | "remove" | "update";

/**
 * Creates a React context for managing annotations with type safety.
 *
 * @type {Context<IAnnotationsContext>} A typed context for annotation-related
 * state and operations
 */
export declare const AnnotationsContext: default_2.Context<IAnnotationsContext>;

/**
 * Provides a context provider for managing annotations in a graph visualization.
 *
 * This component handles the state and interactions for creating, selecting,
 * and styling annotations, including arrow and text annotations.
 *
 * @param {Props} props - The component props containing child elements
 * @returns {ReactElement} A context provider with annotation management capabilities
 */
export declare const AnnotationsContextProvider: ({ children, annotations: initialAnnotations }: Props) => default_2.JSX.Element;

export declare const BLACK = "#333333";

/**
 * Creates a React context for managing annotations with optional type safety.
 *
 * @returns {Context<IAnnotationsContext | null>} A context for annotation-related state and operations that can be null
 */
export declare function createAnnotationsContext(): default_2.Context<IAnnotationsContext | null>;

/**
 * Default arrow style for annotations.
 * @type {ArrowStyles}
 */
export declare const defaultArrowStyle: ArrowStyles;

/**
 * List of default colors for annotations.
 * @type {string[]}
 */
export declare const defaultColors: string[];

/**
 * Default text style for annotations.
 * @type {TextStyle}
 */
export declare const defaultTextStyle: TextStyle;

/**
 * List of available fonts for annotations.
 */
export declare const fonts: string[];

export declare const fontSizes: number[];

/**
 * Defines the context interface for managing annotations in a React application.
 *
 * @interface
 * @description Provides state and methods for handling annotation collections,
 * current annotation selection, styling, and editor control.
 */
export declare interface IAnnotationsContext {
    /** Current annotations in the application. */
    annotations: AnnotationCollection;
    /** Updates the annotations in the application. */
    updateAnnotations: default_2.Dispatch<AnnotationAction>;
    /** The currently selected annotation in the application. */
    currentAnnotation: AnnotationFeature | null;
    /** Sets the currently selected annotation in the application. */
    setCurrentAnnotation: (annotation: AnnotationFeature | null) => void;
    /** The current arrow style for annotations. */
    arrowStyle: ArrowStyles;
    /** The current width factor for arrow annotations. */
    arrowWidthFactor: number;
    /** Sets the width factor for arrow annotations. */
    setArrowWidthFactor: (arrowWidthFactor: number) => void;
    /** Sets the current arrow style for annotations. */
    setArrowStyle: (arrowStyle: ArrowStyles) => void;
    /** The current text style for annotations. */
    textStyle: TextStyle;
    /** The current size factor for text annotations in regards to node sizes. */
    textSizeFactor: number;
    /** Sets the size factor for text annotations. */
    setTextSizeFactor: (textSizeFactor: number) => void;
    /** Sets the current text style for annotations. */
    setTextStyle: (textStyle: TextStyle) => void;
    /** The annotations editor for managing annotations. See {@link AnnotationsEditor} */
    editor: Control;
    /** Sets the current annotations editor for managing annotations. */
    setEditor: (editor: Control) => void;
}

export declare function interpolate(t: number, min?: number, max?: number): number;

export declare function mean(array: number[]): number;

export declare function normalize(t: number, min?: number, max?: number): number;

declare interface Props {
    children: ReactElement;
    annotations?: AnnotationCollection;
}

/**
 * Default relative padding for text annotations.
 */
export declare const RELATIVE_PADDING = 0.25;

export declare const TRANSPARENT = "none";

/**
 * Retrieves the current annotations context for accessing and managing annotations.
 *
 * @returns {IAnnotationsContext} The current annotations context with methods and
 * state for annotation management
 */
export declare const useAnnotationsContext: () => IAnnotationsContext;

export { }