/** Projection-owned read/modify/write adapter for managed text regions. */
import * as Effect from "effect/Effect";
import * as FileSystem from "effect/FileSystem";
import * as Option from "effect/Option";
import * as Path from "effect/Path";
import { type AppError } from "../app-error/index.js";
import { type FileCommentStyle, type RegionMarker, type RegionName } from "./marker-grammar.js";
export type ManagedRegionState = {
    readonly state: "absent";
    readonly reasonCode: "managed-region-absent";
} | {
    readonly state: "complete";
    readonly reasonCode: "managed-region-complete";
    readonly start: number;
    readonly end: number;
    readonly lines: ReadonlyArray<string>;
    readonly body: string;
    readonly startMarker: RegionMarker;
} | {
    readonly state: "malformed";
    readonly reasonCode: "managed-region-malformed";
    readonly message: string;
} | {
    readonly state: "unsupported-version";
    readonly reasonCode: "managed-region-unsupported-version";
    readonly message: string;
};
export interface ManagedRegionReconciliation {
    readonly existed: boolean;
    readonly existing: string;
    readonly updated: string;
    readonly changed: boolean;
    readonly observedRegion: Option.Option<string>;
    readonly owner: string;
    readonly state: ManagedRegionState["state"];
    readonly reasonCode: ManagedRegionState["reasonCode"];
}
/** Inspect one region without guessing through duplicate, nested, or unpaired markers. */
export declare const inspectManagedRegion: (content: string, region: RegionName, style: FileCommentStyle) => ManagedRegionState;
/**
 * Compare generated bodies by meaning that common formatters preserve. Code
 * fences retain their line structure; prose wraps, trailing whitespace, and
 * Markdown table padding do not create drift.
 */
export declare const normalizeManagedBody: (content: string) => string;
export declare const renderManagedRegion: (args: {
    readonly content: string;
    readonly state: ManagedRegionState;
    readonly region: RegionName;
    readonly owner: string;
    readonly rendered: string;
    readonly style: FileCommentStyle;
}) => string;
/** Reconcile one AXM-owned region while preserving all surrounding bytes. */
export declare const reconcileManagedRegionFile: (args: {
    readonly targetPath: string;
    readonly displayPath: string;
    readonly region: RegionName;
    readonly owner: string;
    readonly rendered: string;
    readonly dryRun?: boolean;
    readonly removeEmptyFile?: boolean;
    readonly preserveEmptyFile?: boolean;
    readonly writeWhenMissing?: boolean;
    readonly unsupportedTargetDetail?: string;
}) => Effect.Effect<ManagedRegionReconciliation, AppError, FileSystem.FileSystem | Path.Path>;
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