WslcImageProgressMessage

typedef struct WslcImageProgressMessage
{
    _Out_ PCSTR id;                       // layer ID or digest
    _Out_ WslcImageProgressStatus status; // "Downloading", "Extracting", etc.
    _Out_ WslcImageProgressDetail detail;
} WslcImageProgressMessage;

Field	Type
id	PCSTR
status	WslcImageProgressStatus
detail	WslcImageProgressDetail