* The value is, e.g. 404 <br>
     * comment: HTTP status codes considered as failure URLs.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getCrawlerFailureUrlStatusCodes();

    /**
     * Get the value for the key 'crawler.failure.url.status.codes' as {@link Integer}. <br>

- github.com/containerd/ttrpc: [v1.0.0](https://github.com/containerd/ttrpc/tree/v1.0.0)
- github.com/coreos/bbolt: [v1.3.2](https://github.com/coreos/bbolt/tree/v1.3.2)
- github.com/coreos/go-systemd/v22: [v22.1.0](https://github.com/coreos/go-systemd/v22/tree/v22.1.0)
- github.com/cpuguy83/go-md2man/v2: [v2.0.0](https://github.com/cpuguy83/go-md2man/v2/tree/v2.0.0)

26A2..26B1    ; valid                  ;      ; NV8    # 4.1  DOUBLED FEMALE SIGN..FUNERAL URN
26B2          ; valid                  ;      ; NV8    # 5.0  NEUTER
26B3..26BC    ; valid                  ;      ; NV8    # 5.1  CERES..SESQUIQUADRATE
26BD..26BF    ; valid                  ;      ; NV8    # 5.2  SOCCER BALL..SQUARED KEY
26C0..26C3    ; valid                  ;      ; NV8    # 5.1  WHITE DRAUGHTS MAN..BLACK DRAUGHTS KING

to make it appear like regular plain\n// text (without any border, background color, focus indicator)\n\n.form-control-plaintext {\n  display: block;\n  width: 100%;\n  padding: $input-padding-y 0;\n  margin-bottom: 0; // match inputs if this class comes on inputs with default margins\n  @include font-size($input-font-size);\n  line-height: $input-line-height;\n  color: $input-plaintext-color;\n  background-color: transparent;\n  border: solid transparent;\n  border-width: $input-border-width 0;\n\n...

to make it appear like regular plain\n// text (without any border, background color, focus indicator)\n\n.form-control-plaintext {\n  display: block;\n  width: 100%;\n  padding: $input-padding-y 0;\n  margin-bottom: 0; // match inputs if this class comes on inputs with default margins\n  line-height: $input-line-height;\n  color: $input-plaintext-color;\n  background-color: transparent;\n  border: solid transparent;\n  border-width: $input-border-width 0;\n\n  &:focus {\n    outline: 0;\n  }\n\n  ...