/**
 * @copyright Sister Software
 * @license AGPL-3.0
 * @author Teffen Ellis, et al.
 *
 *   In-memory `PolicyRegistry`. Stores per-(component, locale) policy entries and applies them to a
 *   flat list of `ClassificationProposal`s.
 *
 *   Mutation API (`set`, `remove`) lives here so that locale profiles (#6 §LocaleProfile) can install
 *   per-locale overrides at startup. Look-up and `apply` are pure.
 */
import type { ClassificationProposal, ComponentTag } from "#types";
import type { ClassifierPolicy, PolicyMode, PolicyRegistry } from "./policy.ts";
/**
 * Concrete registry implementation. Construct empty with `new InMemoryPolicyRegistry()` and load entries via `set()`,
 * or pre-load defaults via `InMemoryPolicyRegistry.withDefaults()`.
 */
export declare class InMemoryPolicyRegistry implements PolicyRegistry {
    #private;
    /**
     * Build a registry pre-loaded with `mode` for every component (default `rule_only`). The input-shape router (#478)
     * passes a shape-derived default so the whole table starts from the routed prior.
     */
    static withDefaults(mode?: PolicyMode): InMemoryPolicyRegistry;
    /**
     * Install a policy entry. Replaces any prior entry with the same key.
     */
    set(policy: ClassifierPolicy): void;
    /**
     * Remove a policy entry, if present.
     */
    remove(component: ComponentTag, locale?: string): void;
    /**
     * All current entries, in insertion order.
     */
    entries(): ClassifierPolicy[];
    lookup(component: ComponentTag, locale?: string): ClassifierPolicy;
    apply(proposals: readonly ClassificationProposal[], locale?: string): ClassificationProposal[];
}
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