use proc_macro2::{Ident, TokenStream};
use syn::Type;
pub trait OperationField {
fn name(&self) -> &str;
fn singular_identifier(&self) -> &Ident;
fn plural_kind_identifier(&self) -> Ident;
fn parameter_type(&self) -> Type;
fn return_type(&self) -> Type;
fn is_optional(&self) -> bool;
fn add_arguments(&self, name: &Ident) -> TokenStream;
}