export type ExperienceRoute = "sol-serial" | "luna-fabric" | "luna-fabric-with-escalation";
export type ExperienceFallbackReason = "shape-unseen" | "sparse-evidence" | "unproven-evidence" | "evidence-window-mismatch" | "caller-baseline-route-mismatch" | "threshold-not-met";
export type ExperienceRejectionReason = "invalid-input" | "invalid-number" | "unknown-route" | "duplicate-shape" | "ambiguous-policy-table" | "ambiguous-evidence";
export interface ExperiencePolicyRow {
    readonly shape: string;
    readonly baseline_route: ExperienceRoute;
    readonly policy_route: ExperienceRoute;
}
export interface ExperienceRoutePolicyTable {
    readonly version: string;
    readonly evidence_window: string;
    readonly minimum_samples: number;
    readonly duration_threshold: number;
    readonly cost_threshold: number;
    readonly rows: readonly ExperiencePolicyRow[];
}
export interface ExperienceEvidenceIdentity {
    readonly package: string;
    readonly fixture: string;
    readonly validation: string;
    readonly cache: string;
    readonly price_basis: string;
    readonly denominator: string;
}
export interface ExperienceRouteEvidence {
    readonly shape: string;
    readonly route: ExperienceRoute;
    readonly evidence_window: string;
    readonly identity: ExperienceEvidenceIdentity;
    readonly samples: number;
    readonly duration: {
        readonly metric_kind: "end-to-end-median";
        readonly milliseconds: number;
    };
    readonly cost: {
        readonly metric_kind: "estimated-cost-median";
        readonly amount: number;
        readonly price_basis: string;
        readonly denominator: string;
    };
}
export interface SelectExperienceRouteInput {
    readonly shape: string;
    readonly caller_heuristic_route: ExperienceRoute;
    readonly policy: ExperienceRoutePolicyTable;
    readonly evidence: readonly ExperienceRouteEvidence[];
}
interface ExperienceResultContext {
    readonly policy_version: string | null;
    readonly shape: string | null;
    readonly evidence_window: string | null;
    readonly evidence_identity: {
        readonly baseline: ExperienceEvidenceIdentity | null;
        readonly candidate: ExperienceEvidenceIdentity | null;
    };
    readonly authority: {
        readonly policy: "caller-declared";
        readonly evidence: "caller-matched";
        readonly execution: "not-performed";
    };
}
export type ExperienceRouteSelection = (ExperienceResultContext & {
    readonly status: "proposed";
    readonly route: ExperienceRoute;
    readonly reason: "matched-evidence-within-thresholds";
}) | (ExperienceResultContext & {
    readonly status: "fallback";
    readonly route: ExperienceRoute;
    readonly reason: ExperienceFallbackReason;
}) | (ExperienceResultContext & {
    readonly status: "rejected";
    readonly route: ExperienceRoute | null;
    readonly reason: ExperienceRejectionReason;
});
export declare function selectExperienceRoute(input: unknown): ExperienceRouteSelection;
export {};