MethodReference58.java:18:23: compiler.err.prob.found.req: (compiler.misc.invalid.mref: kindname.method, (compiler.misc.cant.apply.symbol: kindname.method, g, Z, X, kindname.class, MethodReference58, (compiler.misc.incompatible.bounds: Z, (compiler.misc.upper.bounds: java.lang.Number), (compiler.misc.lower.bounds: X))))
1 error