The court admitted the dying declarations as evidence in the trial.

The country declares war on its neighboring nation.

The country declared war on its neighboring nation.

The country is declaring war on its neighboring nation.

A forward declaration is a declaration of an identifier (denoting an entity such as a type, variable, or function) for which the programmer has not yet given a complete definition.

The function needs to be forward-declared before it can be used.

You need to forward-declare the function before using it.

Forward declarations are used to declare a function or a class before it is defined.

I am forward-declaring the function before using it.

The programmer forward-declares the function before using it.