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# frozen_string_literal: true
module RuboCop
module AST
# A node extension for `alias` nodes. This will be used in place of a plain
# node when the builder constructs the AST, making its methods available
# to all `alias` nodes within RuboCop.
class AliasNode < Node
# Returns the old identifier as specified by the `alias`.
#
# @return [SymbolNode] the old identifier
def old_identifier
node_parts[1]
end
# Returns the new identifier as specified by the `alias`.
#
# @return [SymbolNode] the new identifier
def new_identifier
node_parts[0]
end
end
end
end
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