+extern const char * const config_element_userspace_probe_lookup;
+extern const char * const config_element_userspace_probe_lookup_function_default;
+extern const char * const config_element_userspace_probe_lookup_function_elf;
+extern const char * const config_element_userspace_probe_lookup_tracepoint_sdt;
+extern const char * const config_element_userspace_probe_location_binary_path;
+extern const char * const config_element_userspace_probe_function_attributes;
+extern const char * const config_element_userspace_probe_function_location_function_name;
+extern const char * const config_element_userspace_probe_tracepoint_attributes;
+extern const char * const config_element_userspace_probe_tracepoint_location_provider_name;
+extern const char * const config_element_userspace_probe_tracepoint_location_probe_name;