if (!installData.getVariables().isBlockedVariableName(blockedName))
if (!installData.getVariables().isBlockedVariableName(variable))
if (!getInstallData().getVariables().isBlockedVariableName(getVariable()))
if (!installData.getVariables().isBlockedVariableName(blockedName))
if (!installData.getVariables().isBlockedVariableName(variable))
if (!getInstallData().getVariables().isBlockedVariableName(getVariable()))