public AttributeCollector setDefault(ObjectNode node, Object defaultValue, SchemaGenerationContext generationContext) {
        if (defaultValue != null) {
            final String defaultTag = generationContext.getKeyword(SchemaKeyword.TAG_DEFAULT);
            this.addRawPropertyValue(node, defaultTag, defaultValue);
        }
        return this;
    }
Setter for "{@link SchemaKeyword#TAG_DEFAULT}" attribute.

@param node schema node to set attribute on
@param defaultValue attribute value to set
@param generationContext generation context, including configuration to apply when looking-up attribute values
@return this instance (for chaining)
jsonschema-generator/src/main/java/com/github/victools/jsonschema/generator/impl/AttributeCollector.java