#' @importFrom readxl read_excel excel_sheets
#' @importFrom cellranger cell_rows cell_cols cell_limits
#' @importFrom utils head tail capture.output
#' @importFrom tools file_path_sans_ext
#' @importFrom data.table rbindlist melt.data.table setnames as.data.table data.table setDT 
#' @importFrom fasttime fastPOSIXct
#' @importFrom rmarkdown run
#' @importFrom sensorweb4R resourceURL id label as.Endpoint fetch timeseries phenomenon as.Timeseries getData time lastValue firstValue Station
#' @importFrom lubridate as.interval
#' @importFrom httr GET content
#' @importFrom sp CRS SpatialPointsDataFrame
#' @importFrom rgeos gIntersects
#' @import methods
#' @import R6
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