public Builder classLoader(ClassLoader classLoader) {
            this.classLoader = Objects.requireNonNull(classLoader);
            return this;
        }
Sets the ClassLoader used to find {@link DiffEvaluator} service
providers.

@param classLoader ClassLoader to use.
@return Returns the builder.
smithy-diff/src/main/java/software/amazon/smithy/diff/ModelDiff.java