# The following has been generated automatically from src/core/expression/qgsexpressionnodeimpl.h
try:
    QgsExpressionNodeFunction.validateParams = staticmethod(QgsExpressionNodeFunction.validateParams)
    QgsExpressionNodeFunction.__group__ = ['expression']
except (NameError, AttributeError):
    pass
try:
    QgsExpressionNodeUnaryOperator.__group__ = ['expression']
except (NameError, AttributeError):
    pass
try:
    QgsExpressionNodeBinaryOperator.__group__ = ['expression']
except (NameError, AttributeError):
    pass
try:
    QgsExpressionNodeIndexOperator.__group__ = ['expression']
except (NameError, AttributeError):
    pass
try:
    QgsExpressionNodeBetweenOperator.__group__ = ['expression']
except (NameError, AttributeError):
    pass
try:
    QgsExpressionNodeInOperator.__group__ = ['expression']
except (NameError, AttributeError):
    pass
try:
    QgsExpressionNodeLiteral.__group__ = ['expression']
except (NameError, AttributeError):
    pass
try:
    QgsExpressionNodeColumnRef.__group__ = ['expression']
except (NameError, AttributeError):
    pass
try:
    QgsExpressionNodeCondition.__group__ = ['expression']
except (NameError, AttributeError):
    pass
try:
    QgsExpressionNodeCondition.WhenThen.__group__ = ['expression']
except (NameError, AttributeError):
    pass