public Builder dependencyType(String dependencyType) {
            this.dependencyType = dependencyType;
            return this;
        }
Sets the type of dependency (for example, "dev", "optional", etc).

<p>Defaults to an empty string if not explicitly set.

@param dependencyType Dependency type to set.
@return Returns the builder.
smithy-codegen-core/src/main/java/software/amazon/smithy/codegen/core/SymbolDependency.java