export declare function safeAssign(obj: {
    [id: string]: any;
}, key: string, value: string): void;
declare enum GRAPH_TYPE {
    UNKNOWN = 0,
    GRAPH = 1,
    SUBGRAPH = 2,
    VERTEX = 3,
    EDGE = 4,
    LAST = 5
}
declare enum GRAPH_TYPE_STRING {
    UNKNOWN = "Unknown",
    GRAPH = "Graph",
    SUBGRAPH = "Cluster",
    VERTEX = "Vertex",
    EDGE = "Edge",
    LAST = "Last"
}
declare abstract class GraphItem {
    abstract _globalType: "Graph" | "Cluster" | "Vertex" | "Edge";
    __hpcc_graph: QueryGraph;
    __hpcc_parent: Subgraph;
    __widget: any;
    __hpcc_id: string;
    _globalID: string;
    constructor(graph: QueryGraph, id: string);
    getProperties(): {
        [id: string]: any;
    };
}
declare class Subgraph extends GraphItem {
    _globalType: "Graph" | "Cluster" | "Vertex" | "Edge";
    __hpcc_subgraphs: any[];
    __hpcc_vertices: any[];
    __hpcc_edges: any[];
    id: string;
    constructor(graph: QueryGraph, id: string);
    addSubgraph(subgraph: any): void;
    addVertex(vertex: any): void;
    removeVertex(vertex: any): void;
    addEdge(edge: any): void;
    removeEdge(edge: any): void;
    remove(): void;
    walkSubgraphs(visitor: {
        subgraphVisited: (arg0: Subgraph) => boolean;
    }): void;
    walkVertices(visitor: {
        vertexVisited: (arg0: Vertex) => void;
    }): void;
}
declare class Vertex extends GraphItem {
    _globalType: "Graph" | "Cluster" | "Vertex" | "Edge";
    _isSpill: boolean;
    constructor(graph: QueryGraph, id: string);
    isSpill(): boolean;
    remove(): void;
    getInVertices(): Vertex[];
    getInEdges(): Edge[];
    getOutVertices(): Vertex[];
    getOutEdges(): Edge[];
}
declare class Edge extends GraphItem {
    _globalType: "Graph" | "Cluster" | "Vertex" | "Edge";
    _sourceActivity: any;
    source: any;
    _targetActivity: any;
    target: any;
    constructor(graph: QueryGraph, id: string);
    remove(): void;
    getSource(): Vertex;
    setSource(source: Vertex): void;
    getTarget(): Vertex;
}
export declare class QueryGraph {
    idx: {
        [id: string]: Subgraph | Vertex | Edge;
    };
    subgraphs: Subgraph[];
    vertices: Vertex[];
    edges: Edge[];
    xgmml: string;
    constructor();
    clear(): void;
    load(xgmml: string): void;
    merge(xgmml: string): void;
    isSubgraph(item: GraphItem): item is Subgraph;
    isVertex(item: GraphItem): item is Vertex;
    isEdge(item: GraphItem): item is Edge;
    getGlobalType(item: QueryGraph | Subgraph | Vertex | Edge): GRAPH_TYPE;
    getGlobalTypeString(item: QueryGraph | Subgraph | Vertex | Edge): GRAPH_TYPE_STRING;
    getItem(docNode: HTMLElement, id: string): Subgraph | Vertex | Edge;
    removeItem(item: Subgraph | Vertex | Edge): void;
    getChildByTagName(docNode: HTMLElement, tagName: string): HTMLElement | null;
    walkDocument(docNode: HTMLElement, id: string): Subgraph | Vertex | Edge;
    removeSubgraphs(): void;
    removeSpillVertices(): void;
    getLocalisedXGMML(items: GraphItem[], localisationDepth: number, localisationDistance: number, noSpills: boolean): string;
}
export {};