import { GraphSchemaTypeWithAccess, ICaptionConfig, ItemFieldsCaptions, LkEdgeData, LkNodeData, PropertyType } from '@linkurious/rest-client';
export declare class Captions {
    /**
     * Return label for each node
     */
    static getText(itemData: LkNodeData | LkEdgeData, schema: ItemFieldsCaptions, graphSchema?: GraphSchemaTypeWithAccess[]): string | null;
    /**
     * Return a readable string from an LkProperty
     */
    private static getLabel;
    /**
     * Return true if caption configuration exists in schema
     */
    static captionExist(itemTypes: Array<string>, schema: ItemFieldsCaptions): boolean;
    /**
     * Generate text from node data and captions schema
     */
    static generateNodeCaption(itemData: LkNodeData, schema: {
        [key: string]: ICaptionConfig;
    }, graphSchema?: GraphSchemaTypeWithAccess[]): string;
    static getPropertyType(graphSchema: GraphSchemaTypeWithAccess[], propertyKey: string, itemType: string): PropertyType | undefined;
    /**
     * Generate text from edge data and captions schema
     */
    static generateEdgeCaption(itemData: LkEdgeData, schema: {
        [key: string]: ICaptionConfig;
    }, graphSchema?: GraphSchemaTypeWithAccess[]): string;
}