@Override
    public final List<SymbolDependency> getDependencies() {
        return Collections.unmodifiableList(dependencies);
    }
Gets the import container associated with the writer.

<p>The {@link #toString()} method of the {@code CodegenWriter} should
be overridden so that it includes the import container's contents in
the output as appropriate.

@return Returns the import container.
smithy-codegen-core/src/main/java/software/amazon/smithy/codegen/core/writer/CodegenWriter.java