public void setElementType (Class type, String fieldName, Class elementType) {
		ObjectMap<String, FieldMetadata> fields = getFields(type);
		FieldMetadata metadata = fields.get(fieldName);
		if (metadata == null) throw new JsonException("Field not found: " + fieldName + " (" + type.getName() + ")");
		metadata.elementType = elementType;
	}
public void setElementType ( Class type , String fieldName , Class elementType ) { ObjectMap < String , FieldMetadata > fields = getFields ( type ) ; FieldMetadata metadata = fields . get ( fieldName ) ; if ( metadata == null ) throw new JsonException ( "Field not found: " + fieldName + " (" + type . getName ( ) + ")" ) ; metadata . elementType = elementType ; }
Sets the type of elements in a collection. When the element type is known, the class for each element in the collection
does not need to be written unless different from the element type.