export declare const AI_CONNECTION_TYPES: readonly ["ai", "aiLite", "aiLarge", "vision", "audio", "image", "embedder", "transcriber", "documentAi"];
export type AiConnectionType = (typeof AI_CONNECTION_TYPES)[number];
export declare const AI_CONNECTIONS_CHANGED_EVENT = "ai-connections.changed";
/** One link in a fallback chain, normalized to the shape buildChatModel consumes. */
export interface ResolvedAiCandidate {
    source: "db" | "env";
    /** AiConnection node id, or `env:<type>` for the final .env candidate. */
    connectionId: string;
    connectionType: AiConnectionType;
    provider: string;
    apiKey: string;
    model: string;
    url: string;
    region?: string;
    instance?: string;
    /**
     * IGNORED by the azure chat branch (`ModelService.buildChatModel`'s `case
     * "azure"`) — that branch speaks the GA v1 Responses surface, which is
     * IMPLICITLY versioned, so no `api-version` is ever sent. Still read by
     * azure EMBEDDINGS (`AzureOpenAIEmbeddings`) and the TRANSCRIBER
     * (`AzureOpenAI` SDK client), which are unaffected by the Responses move.
     */
    apiVersion?: string;
    googleCredentialsBase64?: string;
    allowFallbacks?: boolean;
    reasoningEffort?: string;
    maxOutputTokens?: number;
    dimensions?: number;
    inputCostPer1MTokens?: number;
    outputCostPer1MTokens?: number;
    cachedInputCostPer1MTokens?: number;
    costPerMinute?: number;
    costPerPage?: number;
    directUrl?: string;
    language?: string;
    directFormat?: string;
    directProvider?: string;
}
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