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import { bracesInline, SparqlBuilder } from "./sparql_shared_builders.ts";
import { type SparqlValue } from "./sparql_tag.ts";
type Builders<T extends keyof SparqlExpressionBuilder> = Pick<  SparqlExpressionBuilder,  T>;
class SparqlExpressionBuilder extends SparqlBuilder {  public OPTIONAL(    strings: TemplateStringsArray,    ...values: SparqlValue[]  ): Builders<"build"> {    return this.template(strings, values, "OPTIONAL", bracesInline);  }}
/** * SPARQL OPTIONAL expression fluent interface * * @example * ```typescript * import { OPTIONAL } from "ldkit/sparql"; * * const query = OPTIONAL`?s ?p ?o`.build(); * console.log(query); // OPTIONAL { ?s ?p ?o } * ``` */export const OPTIONAL = (  strings: TemplateStringsArray,  ...values: SparqlValue[]) => new SparqlExpressionBuilder().OPTIONAL(strings, ...values);