import type { ReflectionLayer } from "./config.js";
import type { ReflectionEntry } from "./store.js";
export declare const REFLECTION_MANAGED_BLOCK_START = "<!-- sortie-dogs:reflection-managed:start -->";
export declare const REFLECTION_MANAGED_BLOCK_END = "<!-- sortie-dogs:reflection-managed:end -->";
export declare const REFLECTION_MANAGED_BLOCK_MAX_BYTES = 4096;
export declare const REFLECTION_MANAGED_BLOCK_MAX_ENTRIES = 5;
export type ManagedBlockNoUpdateReason = "active-batch" | "sync-stopped" | "manifest-unapproved" | "non-project-layer";
export type ManagedBlockProposalReason = "invalid-markers" | "existing-block-hash-unrecorded" | "managed-block-hash-drift";
export interface ManagedBlockInput {
    readonly snapshot: Buffer;
    readonly entries: readonly ReflectionEntry[];
    readonly layer: ReflectionLayer;
    readonly activeBatch: boolean;
    readonly syncEnabled: boolean;
    readonly manifestApproved: boolean;
    readonly previousBlockHash?: string | null;
}
export type ManagedBlockResult = {
    readonly kind: "no-update";
    readonly reason: ManagedBlockNoUpdateReason;
} | {
    readonly kind: "proposal";
    readonly reason: ManagedBlockProposalReason;
    readonly observedBlockHash?: string;
} | {
    readonly kind: "update";
    readonly buffer: Buffer;
    readonly blockHash: string;
    readonly selectedEntryIds: readonly string[];
};
export declare function selectManagedReflectionEntries(entries: readonly ReflectionEntry[]): ReflectionEntry[];
export declare function renderManagedReflectionBlock(preventions: readonly string[]): Buffer;
export declare function hashManagedReflectionBlock(block: Buffer): string;
export declare function planManagedReflectionBlock(input: ManagedBlockInput): ManagedBlockResult;