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export interface IchildRef {
addChangedData: () => Promise<IContactPersons[]|boolean>;
}
export const child=React.forwardRef<ICollapsAdInfoRef,Iprops>(({clientData},ref):JSX.Element => {}
//in parent
const collapsAdInfoRef=useCreateRef<IchildRef>()
const aditionalInfoData= collapsAdInfoRef.current?.addChangedData();
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type MyProps = {
name: string;
}
const CustomInput = forwardRef<HTMLInputElement, MyProps>(props) => {
// access your props and ref here
}