variables:
  ${{ if and(ge(variables['Build.SourceBranchName'], '202012'), le(variables['Build.SourceBranchName'], '299999')) }}:
    VERSION_CONTROL_OPTIONS: ''
  ${{ if or(lt(variables['Build.SourceBranchName'], '202012'), gt(variables['Build.SourceBranchName'], '299999')) }}:
    VERSION_CONTROL_OPTIONS: ''