4.0.0 org.bsc.langgraph4j langgraph4j-parent 1.5.12 langgraph4j-langchain4j jar langgraph4j::langchain4j langchain4j integration utilities 17 17 UTF-8 2.10.1 dev.langchain4j langchain4j ${langchain4j.version} provided org.bsc.langgraph4j langgraph4j-core ${project.version} com.google.code.gson gson ${gson.version} test org.junit.jupiter junit-jupiter test