func WithAPICallFunc(ctx context.Context, f APICallFunc) context.Context {
	return internal.WithCallOverride(ctx, internal.CallOverrideFunc(f))
}
func WithAPICallFunc(ctx context.Context, f APICallFunc) context.Context {
	return internal.WithCallOverride(ctx, internal.CallOverrideFunc(f))
}
func WithAPICallFunc ( ctx context . Context , f APICallFunc ) context . Context { return internal . WithCallOverride ( ctx , internal . CallOverrideFunc ( f ) ) }
// WithAPICallFunc returns a copy of the parent context
// that will cause API calls to invoke f instead of their normal operation.
//
// This is intended for advanced users only.
WithAPICallFunc returns a copy of the parent context that will cause API calls to invoke f instead of their normal operation . This is intended for advanced users only .