#
# the internal datastructure is a tree with this design:
# root {                  : constant
# + option {              : constant
#   +
# + steps
# + comp {                : variable component-name
#   + substructure {      : variable maybe scheme, table of a database-component
#   + + _header    [      : constant
#       - fields          : variable field-name
DATA_NODE_DATA = "_data"

# the configuration of a component or tool
# entity {              : variable name of the group, basic, component-name or tool-name
# + subject       {     : variable subject-name - it correspondends to a tool
# + + sub-subject {     : variable subject-name - it correspondends to a tool
#     + attributes      : constant of the tool in which the attribute ist implemented