import { Node } from '../Utils/TreeUtils';
export declare type OntologyNode<T> = Node<T & {
    properties: {
        [key: string]: Array<string>;
    };
}>;
export interface Ontology<T> {
    name: string;
    tree: OntologyNode<T>;
}
/**
 * Get a sub-tree from an Ontology. The `leafPredicate` function
 * is used to find the leaves of the tree to return.
 *
 * @param {Ontology} ontology
 * @param {Function} leafPredicate
 */
export declare function getTree<T>(ontology: Ontology<T>, leafPredicate: (node: T) => boolean): Node<T & {
    properties: {
        [key: string]: string[];
    };
}>;
/**
 * Callback to provide the node children
 * @param node - given node
 * @returns {Array}  child nodes
 */
export declare let getNodeChildren: <T>(node: Node<T & {
    properties: {
        [key: string]: string[];
    };
}>) => Node<T & {
    properties: {
        [key: string]: string[];
    };
}>[];
export declare let nodeHasChildren: <T>(node: Node<T & {
    properties: {
        [key: string]: string[];
    };
}>) => boolean;
export declare let nodeHasProperty: <T>(name: string, value: string, node: Node<T & {
    properties: {
        [key: string]: string[];
    };
}>) => boolean;
export declare let getPropertyValues: <T>(name: string, node: Node<T & {
    properties: {
        [key: string]: string[];
    };
}>) => string[];
export declare let getPropertyValue: <T>(name: string, node: Node<T & {
    properties: {
        [key: string]: string[];
    };
}>) => string;
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