as_xml                  loads character string to pugixml and returns
                        an externalptr
cell_style              get and set cell style
clean_worksheet_name    Clean worksheet name
cleanup                 clean sheet (remove all values)
col2int                 Convert Excel column to integer
convertToExcelDate      convert back to ExcelDate
convert_date            Convert from excel date number to R Date type
convert_datetime        Convert from excel time number to R POSIXct
                        type.
create_border           create border
create_cell_style       create_cell_style
create_comment          Create, write and remove comments
create_dxfs_style       Create a custom formatting style
create_fill             create fill
create_font             create font format
create_hyperlink        create Excel hyperlink string
create_numfmt           create number format
create_sparklines       create sparklines used in 'add_sparline()'
dataframe_to_dims       create dimensions from dataframe
dims_to_dataframe       create dataframe from dimensions
get_cell_refs           Return excel cell coordinates from (x,y)
                        coordinates
get_date_origin         Get the date origin an xlsx file is using
guess_col_type          function to estimate the column type. 0 =
                        character, 1 = numeric, 2 = date.
int2col                 Convert integer to Excel column
named_region            Create / delete a named region
numfmt_is_date          check if numFmt is date. internal function
numfmt_is_posix         check if numFmt is posix. internal function
openxlsx2               xlsx reading, writing and editing.
print.pugi_xml          print pugi_xml
pugixml                 xml_node
read_sheet_names        Get names of worksheets
read_xlsx               Read from an Excel file or Workbook object
read_xml                read xml file
select_active_sheet     get and set table of sheets and their state as
                        selected and active
sheet_visibility        Get/set worksheet visible state
style_is_date           check if style is date. internal function
style_is_posix          check if style is posix. internal function
style_mgr               style manager
styles_on_sheet         get all styles on a sheet
temp_xlsx               helper function to create temporary directory
                        for testing purpose
waivers                 'openxlsx2' waivers
wbChartSheet            R6 class for a Workbook Chart Sheet
wbComment               R6 class for a Workbook Comments
wbHyperlink             R6 class for a Workbook Hyperlink
wbSheetData             R6 class for a Workbook Hyperlink
wbWorkbook              R6 class for a Workbook
wbWorksheet             R6 class for a Workbook Worksheet
wb_add_border           add border for cell region
wb_add_cell_style       add cell style for cell region
wb_add_chart_xml        add a chart xml to a workbook
wb_add_chartsheet       Add a chartsheet to a workbook
wb_add_conditional_formatting
                        Add conditional formatting to cells
wb_add_data             Add data to a worksheet
wb_add_data_table       Add data to a worksheet as an Excel table
wb_add_data_validation
                        Add data validation to cells
wb_add_drawing          add drawings to workbook
wb_add_fill             add fill for cell region
wb_add_filter           Add column filters
wb_add_font             add font for cell region
wb_add_form_control     Add form control Checkbox, Radiobuttons or
                        Dropmenu
wb_add_formula          Add a character vector as an Excel Formula
wb_add_image            Insert an image into a worksheet
wb_add_mschart          Add mschart object to an existing workbook
wb_add_numfmt           add numfmt for cell region
wb_add_page_break       Add a page break to a worksheet
wb_add_pivot_table      Add pivot table to a worksheet
wb_add_plot             Insert the current plot into a worksheet
wb_add_sparklines       add sparklines to workbook
wb_add_style            add style to workbook
wb_add_worksheet        Add a worksheet to a workbook
wb_clone_sheet_style    clone sheets style
wb_clone_worksheet      Clone a worksheet to a workbook
wb_color                Create a new wbColour object
wb_copy_cells           copy cells around
wb_creators             Workbook creators
wb_data                 provide wb_data object as mschart input
wb_freeze_pane          Freeze a worksheet pane
wb_get_base_font        Return the workbook default font
wb_get_sheet_name       Get sheet name
wb_get_sheet_names      Get worksheet names for a workbook
wb_get_tables           List Excel tables in a workbook
wb_get_worksheet        Get a worksheet from a 'wbWorkbook' object
wb_grid_lines           Set worksheet gridlines to show or hide.
wb_hyperlink            Create a new hyperlink object
wb_load                 Load an existing .xlsx file
wb_modify_basefont      Modify the default font
wb_open                 little worksheet opener
wb_order                Order of worksheets in xlsx file
wb_protect              Protect a workbook from modifications
wb_protect_worksheet    Protect a worksheet from modifications
wb_read                 Read from an Excel file or Workbook object
wb_remove_col_widths    Remove column widths from a worksheet
wb_remove_filter        Remove a worksheet filter
wb_remove_row_heights   Remove custom row heights from a worksheet
wb_remove_tables        Remove an Excel table in a workbook
wb_remove_worksheet     Remove a worksheet from a workbook
wb_save                 Save Workbook to file
wb_set_bookview         Set the workbook position, size and filter
wb_set_col_widths       Set worksheet column widths
wb_set_header_footer    Set document headers and footers
wb_set_last_modified_by
                        Add another author to the meta data of the
                        file.
wb_set_row_heights      Set worksheet row heights
wb_set_sheet_names      Set worksheet names for a workbook
wb_to_df                Create Dataframe from Workbook
wb_workbook             Create a new Workbook object
workbook_grouping       Group Rows and Columns
write_datatable         Write to a worksheet as an Excel table
write_file              write xml file
write_formula           Write a character vector as an Excel Formula
write_xlsx              write data to an xlsx file
ws_cell_merge           Worksheet cell merging
ws_page_setup           Set page margins, orientation and print scaling
xl_open                 Open a Microsoft Excel file (xls/xlsx) or an
                        openxlsx2 wbWorkbook
xml_add_child           append xml child to node
xml_attr_mod            adds or updates attribute(s) in existing xml
                        node
xml_node_create         create xml_node from R objects
xml_rm_child            remove xml child to node
