import { z } from 'zod';
export declare const QueryPlanSchema: z.ZodObject<{
    braveQueries: z.ZodArray<z.ZodObject<{
        q: z.ZodString;
        freshness: z.ZodOptional<z.ZodUnion<readonly [z.ZodEnum<{
            pd: "pd";
            pw: "pw";
            pm: "pm";
            py: "py";
        }>, z.ZodString]>>;
        endpoint: z.ZodDefault<z.ZodEnum<{
            web: "web";
            news: "news";
        }>>;
        siteFilter: z.ZodOptional<z.ZodString>;
    }, z.core.$strip>>;
    arxivQueries: z.ZodArray<z.ZodString>;
    semanticScholarQueries: z.ZodArray<z.ZodString>;
    githubQueries: z.ZodArray<z.ZodObject<{
        q: z.ZodString;
        kind: z.ZodEnum<{
            code: "code";
            repo: "repo";
        }>;
    }, z.core.$strip>>;
    openalexQueries: z.ZodDefault<z.ZodArray<z.ZodString>>;
    crossrefQueries: z.ZodDefault<z.ZodArray<z.ZodString>>;
    pubmedQueries: z.ZodDefault<z.ZodArray<z.ZodString>>;
}, z.core.$strict>;
export type QueryPlan = z.infer<typeof QueryPlanSchema>;
export declare function parseQueryPlan(json: string): QueryPlan;
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