SubgraphBuilder

const subgraph = new SubgraphBuilder('my_subgraph')
.addParameter({ name: 'user_input', type: 'string' })
.addNode(intentNode)
.addNode(llmNode)
.addEdge(intentNode, llmNode)
.setStartNode(intentNode)
.setEndNode(llmNode)
.build();

new SubgraphBuilder(id: string): SubgraphBuilder

addParameter(config: object): this

addParameters(parameters: object): this

addNode(node: Node | AbstractNode): this

addEdge(fromNode: string | Node | AbstractNode, toNode: string | Node | AbstractNode, options?: object): this

setStartNode(node: string | Node | AbstractNode): this

setEndNode(node: string | Node | AbstractNode): this

build(): Subgraph