code: def usage() -> None:
      
  
      print()
      print('Usage: setnym.py <config-ini>')
      print()
      print('where <config-ini> represents the path to the configuration file.')
      print()
      print('The operation submits a nym to a trustee anchor to send to the ledger,')
      print('if the ledger does not have it already as configured.')
      print()
      print('The configuration file has sections and entries as follows:')
      print('  * section [Node Pool]:')
      print('    - name: the name of the node pool to which the operation applies')
      print('    - genesis.txn.path: the path to the genesis transaction file')
      print('        for the node pool (may omit if node pool already exists)')
      print('  * section [Trustee Anchor]:')
      print("    - name: the trustee anchor's (wallet) name")
      print("    - wallet.type: (default blank) the trustee anchor's wallet type")
      print("    - wallet.access: (default blank) the trustee anchor's")
      print('        wallet access credential (password) value')
      print('  * section [VON Anchor]:')
      print('    - role: the role to request in the send-nym transaction; specify:')
      print('        - (default) empty value for user with no additional write privileges')
      print('        - TRUST_ANCHOR for VON anchor with write privileges for indy artifacts')
      print('        - TRUSTEE for VON anchor sending further cryptonyms to the ledger')
      print("    - name: the VON anchor's (wallet) name")
      print("    - seed: the VON anchor's seed (optional, for wallet creation only)")
      print("    - did: the VON anchor's DID (optional, for wallet creation only)")
      print('    - wallet.create: whether create the wallet if it does not yet exist')
      print('        (value True/False, 1/0, or Yes/No)')
      print("    - wallet.type: (default blank) the VON anchor's wallet type")
      print("    - wallet.access: (default blank) the VON anchor's")
      print('        wallet access credential (password) value.')
      print()
docs: Print usage advice.