\File{figureB\-20.ry},{08:28},{Feb 13 1990}
\L{\LB{\C{}\-\- some of the types}}
\CE{}\L{\LB{}}
\L{\LB{Service\-Requirements ::=}}
\L{\LB{    \K{SEQUENCE} \{}}
\L{\LB{}\Tab{8}{version[0]}}
\L{\LB{}\Tab{8}{    Versions,}}
\L{\LB{}}
\L{\LB{}\Tab{8}{credentials[1]}}
\L{\LB{}\Tab{8}{    Credentials \K{OPTIONAL},}}
\L{\LB{}}
\L{\LB{}\Tab{8}{extensions[2]}}
\L{\LB{}\Tab{8}{    \K{SET} \K{OF} Extension \K{OPTIONAL}}}
\L{\LB{    \}}}
\L{\LB{}}
\L{\LB{\Proc{Versions}Versions ::=}}
\L{\LB{    \K{BIT} \K{STRING} \{ version\-1 (0) \}}}
\L{\LB{    }}
\L{\LB{Service\-Diagnostic ::=}}
\L{\LB{    \K{SET} \{}}
\L{\LB{}\Tab{8}{versions[0]}}
\L{\LB{}\Tab{8}{    \K{SEQUENCE} \K{OF} Versions \K{OPTIONAL},}}
\L{\LB{}}
\L{\LB{}\Tab{8}{reason}}
\L{\LB{}\Tab{8}{    Diagnostic\-Reason}}
\L{\LB{    \}}}
\L{\LB{}}
\L{\LB{...}}
