Fiber!(SparseCOO{1}(Element(0))) constructors:
initialized fiber: Fiber(SparseCOO{1, Tuple{Int32}}(Element{0.0, Float64, Int32}([2.0, 2.0, 3.0, 3.0]), (6,), [1, 5], ([2, 3, 5, 6], ) ))
initialized fiber: Fiber(SparseCOO{1, Tuple{Int16}}(Element{0.0, Float64, Int32}([2.0, 2.0, 3.0, 3.0]), (6,), [1, 5], (Int16[2, 3, 5, 6], ) ))
sized fiber: Fiber(SparseCOO{1, Tuple{Int32}}(Element{0.0, Float64, Int32}(Float64[]), (7,), [1, 1], (Int32[], ) ))
sized fiber: Fiber(SparseCOO{1, Tuple{Int16}}(Element{0.0, Float64, Int32}(Float64[]), (7,), [1, 1], (Int16[], ) ))
empty fiber: Fiber(SparseCOO{1, Tuple{Int32}}(Element{0.0, Float64, Int32}(Float64[]), (0,), [1, 1], (Int32[], ) ))
empty fiber: Fiber(SparseCOO{1, Tuple{Int16}}(Element{0.0, Float64, Int32}(Float64[]), (0,), [1, 1], (Int16[], ) ))

