/**
 * LLM task router for Iranti's Librarian and Attendant.
 *
 * Maps each semantic task type (classification, conflict_resolution, etc.) to
 * an appropriate model based on the active LLM_PROVIDER and optional per-task
 * model overrides via env vars (CLASSIFICATION_MODEL, CONFLICT_MODEL, etc.).
 * Provider compatibility is validated before applying an override — incompatible
 * overrides are logged and the default model is used instead.
 *
 * Task routing rationale:
 *   - conflict_resolution → strongest model (requires careful reasoning)
 *   - all other task types → fast/cheap model (classification, filtering, extraction)
 *
 * Key exports:
 *   - route()            — execute an LLM call with the correct model for the task
 *   - getModelProfile()  — inspect which model would be used for a given task
 *   - getAllProfiles()    — full provider/model map for all task types
 *   - TaskType           — union of supported task type strings
 */
import { LLMMessage, LLMResponse } from './llm';
export type TaskType = 'classification' | 'relevance_filtering' | 'conflict_resolution' | 'summarization' | 'task_inference' | 'extraction';
interface ModelProfile {
    provider: string;
    model: string;
    reason: string;
}
export declare function route(taskType: TaskType, messages: LLMMessage[], maxTokens?: number): Promise<LLMResponse & {
    taskType: TaskType;
    modelProfile: ModelProfile;
    providerUsed: string;
}>;
export declare function getModelProfile(taskType: TaskType): ModelProfile;
export declare function getAllProfiles(): Record<TaskType, ModelProfile>;
export {};
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