export type HasOptionalProperties<T> = keyof T extends infer K extends keyof T ? undefined extends T[K] ? T : null extends T[K] ? T : 'object with optional or nullable properties' : never;
export type NonNullableProperties<T> = keyof T extends infer K extends keyof T ? NonNullable<T[K]> extends never ? never : K : never;
export type Prune<T> = {
    [k in NonNullableProperties<T>]: NonNullable<T[k]>;
};
export declare function prune<T>(object: HasOptionalProperties<T>): Prune<T>;