private Map<String, Object> getPathSpec(QuerydslBindings instance, String fieldName) {
		try {
			return (Map<String, Object>) FieldUtils.readDeclaredField(instance, fieldName, true);
		}
		catch (IllegalAccessException e) {
			LOGGER.warn(e.getMessage());
		}
		return Collections.emptyMap();
	}
Gets path spec.

@param instance  the instance
@param fieldName the field name
@return the path spec
springdoc-openapi-starter-common/src/main/java/org/springdoc/core/customizers/QuerydslPredicateOperationCustomizer.java