/// <reference types="node" />
import * as events from 'events';
import { BaseNodeDefinition, Flow as FlowDefinition, Node, NodeDefinition, NodeDefinitionProviderMap, NodeDefinitions, NodeDependencyTypes } from '@chix/common';
import { ILoader, LoaderResponse } from './interfaces';
import { DependencyManager } from './lib/DependencyManager';
import { Dependencies, DependencyTypes, LoadDefinitionResult, LoadNodeResult, ProviderDef, Workload } from './types';
export declare class Loader extends events.EventEmitter implements ILoader {
    getNodeSource: (provider: string, ns: string, name: string) => NodeDefinition | FlowDefinition;
    protected dependencyManager: DependencyManager;
    private nodeDefinitions;
    load(_flows: FlowDefinition | FlowDefinition[], _update?: boolean): Promise<LoaderResponse>;
    loadNodeDefinitionFrom(provider: string, ns: string, name: string): Promise<LoadDefinitionResult>;
    loadNode(providerDef: ProviderDef): Promise<LoadNodeResult>;
    getWorkLoad(flows: FlowDefinition[], defaultProvider: string, update: boolean): Workload;
    saveNodeDefinition(_providerLocation: string, _nodeDefinition: NodeDefinition): void;
    hasDependencies(type?: DependencyTypes): boolean;
    getDependencies(type?: DependencyTypes): Dependencies | NodeDependencyTypes;
    setDependencies(dependencies: Dependencies): void;
    initProviderMap(flow: FlowDefinition, defaultProvider: string): void;
    addNodeDefinitions(identifier: string, nodeDefs: NodeDefinitions | Array<FlowDefinition | NodeDefinition>): void;
    addNodeDefinition(identifier: string, nodeDef: NodeDefinition | FlowDefinition): void;
    setNodeDefinition(provider: string, nodeDefinition: NodeDefinition | FlowDefinition): void;
    setNodeDefinitions(nodeDefinitions: NodeDefinitionProviderMap): void;
    hasNodeDefinition(providerUrl: string, ns: string, name: string): boolean;
    hasNodeDefinitions(provider?: string): boolean;
    getNodeDefinition(node: Node, flow: FlowDefinition): Promise<FlowDefinition | NodeDefinition>;
    resolveProvider(node: Node, flow: FlowDefinition): string;
    loadNodeDefinition(node: Node, flow: FlowDefinition): Promise<FlowDefinition | NodeDefinition>;
    getNodeDefinitionFrom(provider: string, ns: string, name: string): FlowDefinition | NodeDefinition;
    getNodeDefinitions(provider?: string): NodeDefinitionProviderMap | NodeDefinitions;
    isResolved(flow: FlowDefinition): boolean;
    getUnresolved(flow: FlowDefinition): BaseNodeDefinition[];
    mergeSchema(graph: FlowDefinition): Promise<any[]>;
}