class Sass::Embedded::Host::FunctionRegistry

def initialize(functions, alert_color:)
  functions = functions.transform_keys(&:to_s)
  @global_functions = functions.keys
  @functions_by_name = functions.transform_keys do |signature|
    index = signature.index('(')
    if index
      signature.slice(0, index)
    else
      signature
    end
  end
  @id = 0
  @functions_by_id = {}
  @ids_by_function = {}
  @highlight = alert_color
end