OpEqual means the equal ("==") operator in nginxVars.

OpGreaterThan means the greater than (">") operator in nginxVars.

OpGreaterThanEqual means the greater than (">=") operator in nginxVars.

OpIn means the in operator ("in") in nginxVars.

OpLessThan means the less than ("<") operator in nginxVars.

OpLessThanEqual means the less than equal ("<=") operator in nginxVars.

OpNotEqual means the not equal ("~=") operator in nginxVars.

OpNotIn means the not in operator ("not_in") in nginxVars.

OpRegexMatch means the regex match ("~~") operator in nginxVars.

OpRegexMatchCaseInsensitive means the regex match "~*" (case insensitive mode) operator in nginxVars.

OpRegexNotMatch means the regex not match ("!~~") operator in nginxVars.

OpRegexNotMatchCaseInsensitive means the regex not match "!~*" (case insensitive mode) operator in nginxVars.

ScopeCookie means the route match expression subject is in cookie.

ScopeHeader means the route match expression subject is in request headers.

ScopePath means the route match expression subject is the uri path.

ScopeQuery means the route match expression subject is in the querystring.

ScopeVariable means the route match expression subject is in variable.