import type { RoutingTier } from '../../models/config-types.js';
import type { ProviderActivityCallback, StreamCallback } from '../../../shared/types/provider.js';
export type { RoutingTier };
export declare const ROUTING_WORK_SNAPSHOT_LOCAL_IDENTITY: unique symbol;
export interface RoutingWorkSnapshotLocalIdentity {
    readonly workDigest: string;
    readonly totalWorkCount: number;
    readonly omittedWorkCount: number;
    readonly sensitiveValues: readonly string[];
}
export interface RoutingWorkSnapshot {
    readonly goal: string;
    readonly step: Readonly<{
        name: string;
        tags: readonly string[];
        personaKey?: string;
        instruction?: string;
        stepType: 'normal' | 'parallel' | 'agent';
        edit?: boolean;
    }>;
    readonly remainingWork: ReadonlyArray<Readonly<{
        source: 'task' | 'team-part' | 'prior-result';
        title?: string;
        description: string;
    }>>;
    readonly progress: Readonly<{
        previousAttemptFailed: boolean;
        noProgress: boolean;
        retryingSameWork: boolean;
    }>;
    readonly [ROUTING_WORK_SNAPSHOT_LOCAL_IDENTITY]?: Readonly<RoutingWorkSnapshotLocalIdentity>;
}
export type RoutingModelInput = Omit<RoutingWorkSnapshot, typeof ROUTING_WORK_SNAPSHOT_LOCAL_IDENTITY> & {
    version: string;
    remainingWorkOmittedCount?: number;
};
export interface WorkRequirementEstimate {
    requiredTier: RoutingTier;
    reasonCodes: string[];
    confidence?: number;
}
export declare const ROUTING_REASON_CODE_VALUES: readonly ["api-change", "complex-work", "focused-change", "formatting", "initial-complexity", "local-change"];
export declare const MAX_ROUTING_REASON_CODES = 4;
export declare const MAX_ROUTING_REASON_CODE_LENGTH = 32;
export declare function validateRoutingReasonCodes(reasonCodes: unknown): asserts reasonCodes is string[];
export interface WorkRequirementEstimator {
    estimate(input: RoutingModelInput, options?: {
        abortSignal?: AbortSignal;
        onStream?: StreamCallback;
        onActivity?: ProviderActivityCallback;
    }): Promise<WorkRequirementEstimate>;
}
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