/,to,label
start,VERSION_SUPPORTED,
VERSION_SUPPORTED,WAITING_FOR_VERSION,
VERSION_SUPPORTED,VERSION_SUPPORTED,+
WAITING_FOR_VERSION,VERSION_ACCEPTED,
VERSION_ACCEPTED,RELATION_START,
RELATION_START,INPUT_ATTRIBUTE_METADATA,
INPUT_ATTRIBUTE_METADATA,INPUT_ATTRIBUTE_METADATA,*
INPUT_ATTRIBUTE_METADATA,OUTPUT_ATTRIBUTE_ALIAS,
OUTPUT_ATTRIBUTE_ALIAS,OUTPUT_ATTRIBUTE_ALIAS,*
OUTPUT_ATTRIBUTE_ALIAS,OPTION,
OPTION,OPTION,*
OPTION,WAITING_FOR_OUTPUT_ATTRIBUTES,
OPTION,COMPLETION_REQUEST,
COMPLETION_REQUEST,COMPLETION,
COMPLETION,COMPLETION,*
COMPLETION,COMPLETION_END,
COMPLETION_END,end,
WAITING_FOR_OUTPUT_ATTRIBUTES,OUTPUT_ATTRIBUTE_METADATA,
OUTPUT_ATTRIBUTE_METADATA,OUTPUT_ATTRIBUTE_METADATA,*
OUTPUT_ATTRIBUTE_METADATA,WAITING_FOR_RECORDS,
WAITING_FOR_RECORDS,RELATION_END,
WAITING_FOR_RECORDS,INPUT_ATTRIBUTE,
INPUT_ATTRIBUTE,INPUT_ATTRIBUTE,*
INPUT_ATTRIBUTE,WAITING_FOR_OUTPUT_ATTRIBUTE,
WAITING_FOR_OUTPUT_ATTRIBUTE,OUTPUT_ATTRIBUTE,
OUTPUT_ATTRIBUTE,OUTPUT_ATTRIBUTE,*
OUTPUT_ATTRIBUTE,WAITING_FOR_RECORDS,
RELATION_END,end,