/// <reference types="node" />
import { Flow as FlowDefinition, Node, NodeDefinition, NodeDefinitionProviderMap, NodeDefinitions } from '@chix/common';
import { EventEmitter } from 'events';
import { Dependencies, DependencyTypes, Workload } from '../types';
export interface LoaderResponse {
    dependencies?: Dependencies;
    nodeDefinitions: NodeDefinitionProviderMap;
    providerLocation?: string;
}
export interface ILoader extends EventEmitter {
    load(flow: FlowDefinition | FlowDefinition[], update?: boolean): Promise<LoaderResponse>;
    getWorkLoad(flows: FlowDefinition[], defaultProvider: string, update: boolean): Workload;
    addNodeDefinitions(identifier: string, nodeDefs: NodeDefinitions | Array<FlowDefinition | NodeDefinition>): void;
    addNodeDefinition(identifier: string, nodeDef: FlowDefinition | NodeDefinition): void;
    hasNodeDefinition(providerUrl: string, ns: string, name: string): boolean;
    getNodeDefinition(node: Node, flow: FlowDefinition): Promise<FlowDefinition | NodeDefinition>;
    getNodeDefinitionFrom(provider: string, ns: string, name: string): FlowDefinition | NodeDefinition;
    saveNodeDefinition(_providerLocation: string, _nodeDefinition: FlowDefinition | NodeDefinition): void;
    getNodeDefinitions(provider?: string): NodeDefinitions | NodeDefinitionProviderMap;
    setNodeDefinitions(nodeDefinitions: NodeDefinitionProviderMap): void;
    hasDependencies(type?: DependencyTypes): boolean;
    getDependencies(type?: DependencyTypes): {
        [dependency: string]: string;
    } | {
        npm?: {
            [dependency: string]: string;
        } | undefined;
    };
    setDependencies(dependencies: Dependencies): void;
}