func Wrap(ctx context.Context) ContextWithHeaders {
	hctx := headerCtx{Context: ctx}
	if h := hctx.headers(); h != nil {
		return hctx
	}

	// If there is no header container, we should create an empty one.
	return WrapWithHeaders(ctx, nil)
}
func Wrap(ctx context.Context) ContextWithHeaders {
	hctx := headerCtx{Context: ctx}
	if h := hctx.headers(); h != nil {
		return hctx
	}

	
	return WrapWithHeaders(ctx, nil)
}
func Wrap ( ctx context . Context ) ContextWithHeaders { hctx := headerCtx { Context : ctx } if h := hctx . headers ( ) ; h != nil { return hctx } // If there is no header container, we should create an empty one. return WrapWithHeaders ( ctx , nil ) }
// Wrap wraps an existing context.Context into a ContextWithHeaders.
// If the underlying context has headers, they are preserved.
Wrap wraps an existing context . Context into a ContextWithHeaders . If the underlying context has headers they are preserved .