StakeProgram constructor
      
      StakeProgram({ 
    
    
- required List<AccountMeta> keys,
- required SolAddress programId,
- required ProgramLayout layout,
Implementation
StakeProgram({
  required List<AccountMeta> keys,
  required SolAddress programId,
  required ProgramLayout layout,
}) : super(keys: keys, data: layout.toBytes(), programId: programId);