Optional parentHandler: NodeHandlerProtected Optional parentThis method is responsible for handling a node. It iterates over the collection of node handlers and uses the first handler that accepts the node to handle it. If no handler accepts the node, the method throws an error.
The node to be handled.
The result of the node handling, or throws an error if no handler can handle the node.
Static createThis static method creates an instance of the MasterHandler class and initializes it with instances of all the node handlers.
An instance of the MasterHandler class.
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The MasterHandler class is responsible for managing a collection of node handlers in the LangChain Expression Language. Each node handler is capable of handling a specific type of node in the expression language. The MasterHandler class uses these node handlers to process nodes in the expression language.