Solve reflection issues

[borkdude]

@adam-james-v was trying to compile a GraalVM native binary using your library, but we stumbled on issues regarding reflection.

This is the full list for the batik.rasterize namespace:

user=> (set! *warn-on-reflection* true)
true
user=> (require 'batik.rasterize)
Reflection warning, batik/rasterize.clj:12:34 - call to method add can't be resolved (target class is unknown).
Reflection warning, batik/rasterize.clj:27:22 - reference to field createRenderer can't be resolved.
Reflection warning, batik/rasterize.clj:28:9 - call to method setRenderingHints can't be resolved (target class is unknown).
Reflection warning, batik/rasterize.clj:34:22 - reference to field createRenderer can't be resolved.
Reflection warning, batik/rasterize.clj:35:9 - call to method setRenderingHints can't be resolved (target class is unknown).
Reflection warning, batik/rasterize.clj:41:22 - reference to field createRenderer can't be resolved.
Reflection warning, batik/rasterize.clj:42:9 - call to method setRenderingHints can't be resolved (target class is unknown).
Reflection warning, batik/rasterize.clj:46:22 - reference to field getRootElement can't be resolved.
Reflection warning, batik/rasterize.clj:47:14 - reference to field getWidth can't be resolved.
Reflection warning, batik/rasterize.clj:47:14 - reference to field getCheckedValue can't be resolved.
Reflection warning, batik/rasterize.clj:48:14 - reference to field getHeight can't be resolved.
Reflection warning, batik/rasterize.clj:48:14 - reference to field getCheckedValue can't be resolved.
Reflection warning, batik/rasterize.clj:56:43 - call to method getBytes can't be resolved (target class is unknown).
Reflection warning, batik/rasterize.clj:87:8 - call to method addTranscodingHint can't be resolved (target class is unknown).
Reflection warning, batik/rasterize.clj:89:6 - call to method addTranscodingHint can't be resolved (target class is unknown).
Reflection warning, batik/rasterize.clj:94:17 - call to org.apache.batik.transcoder.TranscoderInput ctor can't be resolved.
Reflection warning, batik/rasterize.clj:95:18 - call to org.apache.batik.transcoder.TranscoderOutput ctor can't be resolved.
Reflection warning, batik/rasterize.clj:96:10 - call to method transcode can't be resolved (target class is unknown).
Reflection warning, batik/rasterize.clj:97:23 - reference to field toByteArray can't be resolved.
Reflection warning, batik/rasterize.clj:91:6 - reference to field close can't be resolved.
nil