input: 
  def convert_to_csharp(x: int, y: int) -> str:
      """Convert a given Python program that calculates the power of a number
      using recursion to a C# program. The Python function takes two integers, 
      x and y, and returns x raised to the power of y using recursion.
  
      >>> convert_to_csharp(2, 3)
      'public int Power(int x, int y){ if (y == 0){ return 1; } else{ return x * Power(x, y - 1); }}'
      >>> convert_to_csharp(5, 0)
      'public int Power(int x, int y){ if (y == 0){ return 1; } else{ return x * Power(x, y - 1); }}'
      """
  
output:     return f'public int Power(int x, int y){{ if (y == 0){{ return 1; }} else{{ return x * Power(x, y - 1); }}}}'