GqlQuery constructor
      
      GqlQuery({ 
    
    
- bool? allowLiterals,
- Map<String, GqlQueryParameter> ? namedBindings,
- List<GqlQueryParameter> ? positionalBindings,
- String? queryString,
Implementation
GqlQuery({
  this.allowLiterals,
  this.namedBindings,
  this.positionalBindings,
  this.queryString,
});