/**
 * routes/flags-graduation.ts
 *
 * Handler for flags.graduation.report. Reads the feature-flag registry and the
 * owner graduation annotations (both static module data), folding in any real
 * divergence evidence a provider supplies, and returns the graduation report.
 * Registered from register-gateway-verb-groups.ts; needs no runtime dependency,
 * so it is always registered (never a cataloged-but-unhandled 501).
 */
import type { GatewayMethodCatalog } from '../method-catalog.js';
import type { GatewayMethodHandler } from '../method-catalog-shared.js';
import { type GraduationEvidenceProvider } from '../../runtime/feature-flags/graduation.js';
/**
 * Build the flags.graduation.report handler. An optional evidence provider
 * supplies real shadow/divergence readings; absent, flags with instrumentation
 * honestly report "no evidence collected this run".
 */
export declare function createFlagsGraduationReportHandler(evidence?: GraduationEvidenceProvider | null): GatewayMethodHandler;
/** Attach the flags.graduation.report handler to its descriptor. Missing descriptor is a silent no-op. */
export declare function registerFlagsGraduationGatewayMethods(catalog: GatewayMethodCatalog, evidence?: GraduationEvidenceProvider | null): void;
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