public function testUniqueVariable()
 {
     $uniqueVariableScope = new UniqueVariableScope();
     $name = $uniqueVariableScope->getUniqueName('name');
     $this->assertEquals('name', $name);
     $name = $uniqueVariableScope->getUniqueName('name');
     $this->assertEquals('name_1', $name);
     $name = $uniqueVariableScope->getUniqueName('name');
     $this->assertEquals('name_2', $name);
 }
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 /**
  * Get a unique variable name
  *
  * @param string $prefix
  *
  * @return string
  */
 public function getUniqueVariableName($prefix = 'var')
 {
     return $this->variableScope->getUniqueName($prefix);
 }