code: def enter_VariableDefinition(
      self, node, key, parent, path, ancestors
  ):
      self.defined_variable_names.add(node.variable.name.value)
  
file_path: wandb/wandb/vendor/graphql-core-1.1/wandb_graphql/validation/rules/no_undefined_variables.py
imports: from ...error import GraphQLError
  from .base import ValidationRule
label_desc: Use image node_id 5 for calling the NoUndefinedVariables obj's underlying member method code with example usage: obj.enter_VariableDefinition(node, key, parent, path, ancestors) without return types