import { AIModel, Completion, CompletionChunkObject, ExecutionOptions, LlumiverseError, LlumiverseErrorContext, PromptSegment } from "@llumiverse/core";
import { VertexAIDriver } from "./index.js";
export interface ModelDefinition<PromptT = any> {
    model: AIModel;
    versions?: string[];
    createPrompt: (driver: VertexAIDriver, segments: PromptSegment[], options: ExecutionOptions) => Promise<PromptT>;
    requestTextCompletion: (driver: VertexAIDriver, prompt: PromptT, options: ExecutionOptions) => Promise<Completion>;
    requestTextCompletionStream: (driver: VertexAIDriver, prompt: PromptT, options: ExecutionOptions) => Promise<AsyncIterable<CompletionChunkObject>>;
    preValidationProcessing?(result: Completion, options: ExecutionOptions): {
        result: Completion;
        options: ExecutionOptions;
    };
    /**
     * Format provider-specific errors into standardized LlumiverseError.
     * Optional - if not provided, VertexAIDriver will use default error handling.
     */
    formatLlumiverseError?(driver: VertexAIDriver, error: unknown, context: LlumiverseErrorContext): LlumiverseError;
}
export declare function getModelDefinition(model: string): ModelDefinition;
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