CardHeader class 
 
    
    
  
    
  
    Properties
    
        - 
  hashCode
  → int
  
- 
  The hash code for this object.
  no setterinherited 
- 
  imageStyle
  ↔ String?
  
- 
  The image's type (for example, square border or circular border).
Possible string values are:
  getter/setter pair 
- 
  imageUrl
  ↔ String?
  
- 
  The URL of the image in the card header.
  getter/setter pair 
- 
  runtimeType
  → Type
  
- 
  A representation of the runtime type of the object.
  no setterinherited 
- 
  subtitle
  ↔ String?
  
- 
  The subtitle of the card header.
  getter/setter pair 
- 
  title
  ↔ String?
  
- 
  The title must be specified.
  getter/setter pair