code: function GetFilters () {
    let result = []
    log.debug(`Fetching filters in the existing ${motionDetectors.length} detector(s)...`)
    for (let i in motionDetectors) {
      result = result.concat(motionDetectors[i].filters)
    }
    log.debug(`Getting ${result.length} filters...`)
    return result
  }
docs: Gets all the existing Filters present in the current context.
  @returns {object} an Array of Filter objects.
  @public