pub trait ExtensionOperand<F: Field, EF: ExtensionField<F>> {
    // Required method
    fn to_operand(self) -> ExtOperand<F, EF>;
}pub trait ExtensionOperand<F: Field, EF: ExtensionField<F>> {
    // Required method
    fn to_operand(self) -> ExtOperand<F, EF>;
}