$ javap -p org/springframework/boot/jdbc/testcontainers/JdbcContainerConnectionDetailsFactory.class   # spring-boot-jdbc-4.1.1.jar
Compiled from "JdbcContainerConnectionDetailsFactory.java"
class org.springframework.boot.jdbc.testcontainers.JdbcContainerConnectionDetailsFactory extends org.springframework.boot.testcontainers.service.connection.ContainerConnectionDetailsFactory<org.testcontainers.containers.JdbcDatabaseContainer<?>, org.springframework.boot.jdbc.autoconfigure.JdbcConnectionDetails> {
  org.springframework.boot.jdbc.testcontainers.JdbcContainerConnectionDetailsFactory();
  protected org.springframework.boot.jdbc.autoconfigure.JdbcConnectionDetails getContainerConnectionDetails(org.springframework.boot.testcontainers.service.connection.ContainerConnectionSource<org.testcontainers.containers.JdbcDatabaseContainer<?>>);
  protected org.springframework.boot.autoconfigure.service.connection.ConnectionDetails getContainerConnectionDetails(org.springframework.boot.testcontainers.service.connection.ContainerConnectionSource);
}

$ javap -p org/springframework/boot/testcontainers/service/connection/ServiceConnection.class   # spring-boot-testcontainers-4.1.1.jar
Compiled from "ServiceConnection.java"
public interface org.springframework.boot.testcontainers.service.connection.ServiceConnection extends java.lang.annotation.Annotation {
  public abstract java.lang.String value();
  public abstract java.lang.String name();
  public abstract java.lang.Class<? extends org.springframework.boot.autoconfigure.service.connection.ConnectionDetails>[] type();
}