import type { AutoRoutingCandidate, AutoRoutingConfig, RoutingTier } from '../../models/config-types.js';
import type { WorkRequirementEstimate } from './contracts.js';
export interface RoutingSelectionInput {
    autoRouting: AutoRoutingConfig;
    step: {
        name: string;
        tags?: string[];
        personaKey?: string;
    };
    estimate?: WorkRequirementEstimate;
    estimatorFailure?: Error;
}
export interface RoutingSelection {
    candidate: AutoRoutingCandidate;
    poolName?: string;
    resolutionSource: 'auto.rules' | 'auto.dynamic' | 'auto.fallback';
    requiredTier?: RoutingTier;
    fallbackReason?: 'estimator-failure';
}
export type ExecutableRoutingCandidates = {
    candidates: [AutoRoutingCandidate];
    selectionCandidates: [AutoRoutingCandidate];
    resolutionSource: 'auto.rules';
} | {
    candidates: AutoRoutingCandidate[];
    selectionCandidates: AutoRoutingCandidate[];
    fallbackCandidate: AutoRoutingCandidate;
    poolName: string;
    resolutionSource: 'auto.dynamic';
};
type RoutingPoolTarget = {
    name?: string;
    tags?: string[];
    personaKey?: string;
};
export declare function resolveAutoRoutingRuleCandidate(autoRouting: AutoRoutingConfig, step: RoutingSelectionInput['step']): AutoRoutingCandidate | undefined;
export declare function hasAutoRoutingPoolAssignment(config: AutoRoutingConfig, step: RoutingPoolTarget): boolean;
export declare function resolveExecutableRoutingCandidates(autoRouting: AutoRoutingConfig, step: RoutingSelectionInput['step']): ExecutableRoutingCandidates;
export declare function selectRoutingCandidate(input: RoutingSelectionInput): RoutingSelection;
export declare function maxRoutingTier(left: RoutingTier, right: RoutingTier): RoutingTier;
export declare function promoteRoutingTier(tier: RoutingTier): RoutingTier;
export {};
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