public SmithyBuild config(Path configPath) {
        return config(SmithyBuildConfig.load(configPath));
    }
Sets the <strong>required</strong> configuration object used to
build the model.

@param configPath Path to the configuration to set.
@return Returns the builder.
smithy-build/src/main/java/software/amazon/smithy/build/SmithyBuild.java