class Prism::Dispatcher::DispatchOnce

def visit_block_parameter_node(node)

Dispatch enter and leave events for BlockParameterNode nodes. 
def visit_block_parameter_node(node)
  listeners[:on_block_parameter_node_enter]&.each { |listener| listener.on_block_parameter_node_enter(node) }
  listeners[:on_block_parameter_node_leave]&.each { |listener| listener.on_block_parameter_node_leave(node) }
end