import type { Logger } from './logger';
export type ModelEntry = {
    taskType: string;
    id: string;
};
export type RegistryData = {
    version: string;
    models: Record<string, ModelEntry>;
    architectureTaskTypes: Record<string, string>;
    modalityTaskTypes: Record<string, string>;
};
export type Registry = {
    /** Look up the taskType for a model (AIR or slug). */
    getModelTaskType: (model: string) => Promise<string | null>;
    /** Look up the canonical model ID for a model (used to build doc URLs). */
    getModelId: (model: string) => Promise<string | null>;
    /**
     * Resolve a model identifier to its canonical AIR. Accepts either an AIR
     * (e.g. "runware:101@1") or a curated-model slug (e.g. "flux-1-dev").
     * Returns null if the identifier doesn't match any known curated model.
     */
    resolveModelAir: (model: string) => Promise<string | null>;
    /** Look up the taskType for an architecture (e.g. 'sdxl', 'flux-1-dev'). */
    getArchitectureTaskType: (key: string) => Promise<string | null>;
    /** Look up the taskType for a modality (e.g. 'image', 'video'). */
    getModalityTaskType: (key: string) => Promise<string | null>;
    /**
     * Force a refresh from the remote endpoint. Throws if the fetch fails so
     * callers (e.g. day-zero workflows) can detect that the new data wasn't
     * actually loaded.
     */
    refresh: () => Promise<void>;
    /**
     * Notify the registry that an external version was observed.
     * Triggers a background refresh if it differs from the cached version.
     */
    notifyVersion: (version: string) => void;
    /** Currently cached registry version, if any. */
    getVersion: () => string | undefined;
};
export type RegistryFallback = {
    models: Record<string, ModelEntry>;
    architectureTaskTypes: Record<string, string>;
    modalityTaskTypes: Record<string, string>;
};
export type RegistryOptions = {
    url: string;
    fetchImpl?: typeof fetch;
    log: Logger;
    fallback: RegistryFallback;
    /** Background refresh interval in ms. Internal — not exposed via SDKConfig. */
    ttl?: number;
    /** Max time to wait for the initial fetch before falling back. Default 3000ms. */
    initialFetchTimeout?: number;
};
export declare const createRegistry: (options: RegistryOptions) => Registry;
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