/**
 * Include property keys from T where the property is assignable to U
 * @public
 */
export type IncludeUndefined<T> = {
    [P in keyof T]: undefined extends T[P] ? P : never;
}[keyof T];
/**
 * Excludes property keys from T where the property is assignable to U
 * @public
 */
export type ExcludeUndefined<T> = {
    [P in keyof T]: undefined extends T[P] ? never : P;
}[keyof T];
/**
 * @public
 */
export type OnlyOptionalUndefinedTypes<T> = {
    [K in IncludeUndefined<T>]?: T[K];
};
/**
 * @public
 */
export type OnlyNonUndefinedTypes<T> = {
    [K in ExcludeUndefined<T>]: T[K];
};
/**
 * @public
 */
export type ToOptional<T> = OnlyOptionalUndefinedTypes<T> & OnlyNonUndefinedTypes<T>;