slice method
Implementation
MLOperand slice(MLOperand input, Iterable<int> starts, Iterable<int> sizes,
        [MLSliceOptions? options]) =>
    js_util.callMethod(this, 'slice', [input, starts, sizes, options]);MLOperand slice(MLOperand input, Iterable<int> starts, Iterable<int> sizes,
        [MLSliceOptions? options]) =>
    js_util.callMethod(this, 'slice', [input, starts, sizes, options]);