public static final String
GS2_KRB5
"GS2-KRB5"
GS2_KRB5_PLUS
"GS2-KRB5-PLUS"
GS2_PREFIX
"GS2-"
PLUS_SUFFIX
"-PLUS"
SPNEGO
"SPNEGO"
SPNEGO_PLUS
"SPNEGO-PLUS"