parameters: ( self, env, nodefault = True, alias = None, precious = True
                , noclean = True )
docstring: Object constructor.
  
      **Arguments**
  
          - *env* (`SCons.Environment.Environment`)
          - *nodefault* (`boolean`) - if `True`, produced nodes will be ignored
            from default target `'.'`
          - *alias* (`string`) - if provided, produced nodes will be automatically
            added to this alias, and alias will be set as `AlwaysBuild`
          - *precious* (`boolean`) - if `True`, the produced nodes will be set as
            `Precious`.
          - *noclen* (`boolean`) - if `True`, the produced nodes will be excluded
            from `Clean`.
docstring_summary: Object constructor.
docstring_tokens: Object constructor .
function: def __init__( self, env, nodefault = True, alias = None, precious = True
                , noclean = True ):
      """ Object constructor.
  
      **Arguments**
  
          - *env* (`SCons.Environment.Environment`)
          - *nodefault* (`boolean`) - if `True`, produced nodes will be ignored
            from default target `'.'`
          - *alias* (`string`) - if provided, produced nodes will be automatically
            added to this alias, and alias will be set as `AlwaysBuild`
          - *precious* (`boolean`) - if `True`, the produced nodes will be set as
            `Precious`.
          - *noclen* (`boolean`) - if `True`, the produced nodes will be excluded
            from `Clean`.
      """
      self.env = env
      self.alias = alias
      self.precious = precious
      self.noclean = noclean
      self.nodefault = nodefault
function_tokens: def __init__ ( self , env , nodefault = True , alias = None , precious = True , noclean = True ) : self . env = env self . alias = alias self . precious = precious self . noclean = noclean self . nodefault = nodefault