export declare const RESEARCH_BLOCK_SEQ = -1;
export declare const RESEARCH_MAX_SOURCES = 3;
export declare const RESEARCH_MAX_EXCERPTS = 8;
export declare const RESEARCH_MAX_API_ENDPOINTS = 8;
export declare const RESEARCH_MAX_SEED_ROWS = 24;
export declare const RESEARCH_MAX_BRIEF_CHARS = 4000;
export declare const RESEARCH_MAX_SOURCE_URL_CHARS = 2048;
export declare const RESEARCH_MAX_CONTENT_TYPE_CHARS = 256;
export declare const RESEARCH_MAX_EXCERPT_CHARS = 400;
export declare const RESEARCH_MAX_LOCATOR_CHARS = 200;
export declare const RESEARCH_MAX_METHOD_CHARS = 32;
export declare const RESEARCH_MAX_PATH_CHARS = 512;
export declare const RESEARCH_MAX_DESCRIPTION_CHARS = 400;
export declare const RESEARCH_MAX_FIELD_CHARS = 128;
export declare const RESEARCH_MAX_FIELDS = 16;
export declare const RESEARCH_MAX_SEED_NAME_CHARS = 128;
export declare const RESEARCH_MAX_ITEM_BYTES: number;
export declare const RESEARCH_MAX_SEED_BYTES: number;
export declare const RESEARCH_MAX_EVENT_BYTES: number;
export declare const RESEARCH_JOB_MAX_TEXT_CHARS = 12000;
export declare const RESEARCH_JOB_MAX_ID_CHARS = 256;
export declare const RESEARCH_JOB_MAX_MODEL_CHARS = 256;
export declare const RESEARCH_JOB_MAX_HANDLE_CHARS = 256;
export declare function isValidIsoTimestamp(value: unknown): value is string;
declare const ResearchSource: import("arktype/internal/variants/object.ts").ObjectType<{
    url: string;
    finalUrl: string | null;
    contentType: string | null;
    httpStatus: number | null;
    backendFetchable: boolean;
    fetched: boolean;
    errorCode?: string | undefined;
}, {}>;
declare const ResearchApiEndpoint: import("arktype/internal/variants/object.ts").ObjectType<{
    method: string;
    path: string;
    description: string;
    fields: string[];
}, {}>;
declare const ResearchExcerpt: import("arktype/internal/variants/object.ts").ObjectType<{
    sourceUrl: string;
    text: string;
    locator?: string | undefined;
}, {}>;
declare const ResearchSeedRow: import("arktype/internal/variants/object.ts").ObjectType<{
    sourceUrl: string;
    dbName: string;
    key: string;
    item: unknown;
}, {}>;
export declare const PromptResearch: import("arktype/internal/variants/object.ts").ObjectType<{
    type: "prompt.research";
    version: 1;
    streamId: string;
    chatId: string;
    seq: number;
    timestamp: Date | ((In: string) => import("arktype/internal/attributes.ts").To<Date>);
    researchId: string;
    status: "complete" | "failed" | "partial";
    brief: string;
    sources: {
        url: string;
        finalUrl: string | null;
        contentType: string | null;
        httpStatus: number | null;
        backendFetchable: boolean;
        fetched: boolean;
        errorCode?: string | undefined;
    }[];
    api: {
        method: string;
        path: string;
        description: string;
        fields: string[];
    }[];
    excerpts: {
        sourceUrl: string;
        text: string;
        locator?: string | undefined;
    }[];
    seedRows: {
        sourceUrl: string;
        dbName: string;
        key: string;
        item: unknown;
    }[];
    completedAt: string;
    errorCode?: string | undefined;
}, {}>;
export type PromptResearch = typeof PromptResearch.infer;
export type PromptResearchSource = typeof ResearchSource.infer;
export type PromptResearchApiEndpoint = typeof ResearchApiEndpoint.infer;
export type PromptResearchExcerpt = typeof ResearchExcerpt.infer;
export type PromptResearchSeedRow = typeof ResearchSeedRow.infer;
export declare function isPromptResearch(value: unknown): value is PromptResearch;
export declare const evtUrlResearch: import("arktype/internal/variants/object.ts").ObjectType<{
    type: "vibes.diy.evt-url-research";
    userId: string;
    chatId: string;
    promptId: string;
    ownerHandle: string;
    appSlug: string;
    currentUserText: string;
    activatedUrls: string[];
    model: string;
}, {}>;
export type EvtUrlResearch = typeof evtUrlResearch.infer;
export type UrlResearchJob = Omit<EvtUrlResearch, "type">;
export declare function isEvtUrlResearch(value: unknown): value is EvtUrlResearch;
export interface BuildUrlResearchJobInput {
    readonly mode: string;
    readonly isInitialTurn: boolean;
    readonly userId: string;
    readonly chatId: string;
    readonly promptId: string;
    readonly ownerHandle: string;
    readonly appSlug: string;
    readonly currentUserText: string;
    readonly activatedUrls: readonly string[];
    readonly model: string;
}
export declare function buildUrlResearchJob(input: BuildUrlResearchJobInput): UrlResearchJob | undefined;
export {};