Method copy

src/main/java/net/minecraftforge/fluids/FluidStack.java:264–267

@return A copy of this FluidStack

()

     * @return A copy of this FluidStack
     */
    public FluidStack copy()
    {
        return new FluidStack(getFluid(), amount, tag);
    }

    /**
     * Determines if the FluidIDs and NBT Tags are equal. This does not check amounts.