Here is a list of all documented variables with links to the struct/union documentation for each field:

• constraint_id : QDMI_Program_Feature
• constraint_value : QDMI_Program_Feature
• encoding : QDMI_Program_Format
• id : QDMI_Program_Feature, QDMI_Program_Format
• profile : QDMI_Program_Format
• value : QDMI_Program_Feature
• version : QDMI_Program_Format