public String toString()

in codegen/smithy-go-codegen/src/main/java/software/amazon/smithy/go/codegen/GoWriter.java [854:895]
32 lines of code
10 McCabe index (conditional complexity)

    public String toString() {
        String contents = super.toString();

        if (innerWriter) {
            return contents;
        }

        var tags = buildTags.isEmpty()
                ? ""
                : "//go:build " + String.join(",", buildTags) + "\n";

        String[] packageParts = fullPackageName.split("/");
        String header = String.format("// Code generated by smithy-go-codegen DO NOT EDIT.%n%n");

        String packageName = packageParts[packageParts.length - 1];
        if (packageName.startsWith("v") && packageParts.length >= 2) {
            String remaining = packageName.substring(1);
            try {
                int value = Integer.parseInt(remaining);
                packageName = packageParts[packageParts.length - 2];
                if (value == 0 || value == 1) {
                    throw new CodegenException("module paths vN version component must only be N >= 2");
                }
            } catch (NumberFormatException ne) {
                // Do nothing
            }
        }

        String packageDocs = this.packageDocs.toString();
        String packageStatement = String.format("package %s%n%n", packageName);

        String importString = getImportContainer().toString();
        String strippedContents = StringUtils.stripStart(contents, null);
        String strippedImportString = StringUtils.strip(importString, null);

        // Don't add an additional new line between explicit imports and managed imports.
        if (!strippedImportString.isEmpty() && strippedContents.startsWith("import ")) {
            return header + strippedImportString + "\n" + strippedContents;
        }

        return header + packageDocs + tags + packageStatement + importString + contents;
    }