import { type SafeReadResult } from "./safe-read.js";
import { type FileOutlineResult } from "./file-outline.js";
import { type ReadRangeResult } from "./read-range.js";
import { ObservationCache } from "./observation-cache.js";
import { GovernorTracker } from "../session/tracker.js";
import { type OutlineDiff } from "../parser/diff.js";
import type { JumpEntry, OutlineEntry } from "../parser/types.js";
import type { FileSystem } from "../ports/filesystem.js";
import type { JsonCodec } from "../ports/codec.js";
import type { ProseProjectionProvider } from "./colorful-prose-projection.js";
export interface RepoWorkspaceRefusedResult {
    readonly path: string;
    readonly projection: "refused";
    readonly reason: string;
    readonly reasonDetail: string;
    readonly next: string[];
    readonly actual: {
        readonly lines: number;
        readonly bytes: number;
    };
}
export interface RepoWorkspaceSafeReadCacheHitResult {
    readonly path: string;
    readonly projection: "cache_hit";
    readonly reason: "REREAD_UNCHANGED";
    readonly outline: readonly OutlineEntry[];
    readonly jumpTable: readonly JumpEntry[];
    readonly actual: Readonly<{
        lines: number;
        bytes: number;
    }>;
    readonly readCount: number;
    readonly estimatedBytesAvoided: number;
    readonly lastReadAt: string;
}
export interface RepoWorkspaceSafeReadDiffResult {
    readonly path: string;
    readonly projection: "diff";
    readonly reason: "CHANGED_SINCE_LAST_READ";
    readonly diff: OutlineDiff;
    readonly outline: readonly OutlineEntry[];
    readonly jumpTable: readonly JumpEntry[];
    readonly actual: Readonly<{
        lines: number;
        bytes: number;
    }>;
    readonly readCount: number;
    readonly lastReadAt: string;
}
export type RepoWorkspaceSafeReadResult = SafeReadResult | RepoWorkspaceSafeReadCacheHitResult | RepoWorkspaceSafeReadDiffResult;
export type RepoWorkspaceFileOutlineResult = FileOutlineResult | RepoWorkspaceRefusedResult;
export type RepoWorkspaceReadRangeResult = ReadRangeResult | RepoWorkspaceRefusedResult;
export type RepoWorkspaceChangedSinceResult = {
    readonly status: "file_not_found";
} | {
    readonly status: "refused";
    readonly reason: string;
} | {
    readonly status: "unsupported";
    readonly reason: "UNSUPPORTED_LANGUAGE";
} | {
    readonly status: "unchanged";
} | {
    readonly status: "no_previous_observation";
} | {
    readonly diff: OutlineDiff;
    readonly consumed: boolean;
};
export interface RepoWorkspaceOptions {
    readonly projectRoot: string;
    readonly fs: FileSystem;
    readonly codec: JsonCodec;
    readonly graftignorePatterns?: readonly string[] | undefined;
    readonly resolvePath?: ((input: string) => string) | undefined;
    readonly toPolicyPath?: ((resolvedPath: string) => string) | undefined;
    readonly governor?: GovernorTracker | undefined;
    readonly cache?: ObservationCache | undefined;
    readonly proseProjector?: ProseProjectionProvider | undefined;
}
export declare class RepoWorkspace {
    private readonly resolveWorkspacePath;
    private readonly policyPathForWorkspaceFile;
    readonly projectRoot: string;
    readonly fs: FileSystem;
    readonly codec: JsonCodec;
    readonly graftignorePatterns: readonly string[];
    readonly governor: GovernorTracker;
    readonly cache: ObservationCache;
    readonly proseProjector: ProseProjectionProvider | undefined;
    constructor(options: RepoWorkspaceOptions);
    static loadGraftignorePatterns(fs: Pick<FileSystem, "readFile">, projectRoot: string): Promise<string[]>;
    setBudget(bytes: number): void;
    getBudget(): {
        total: number;
        consumed: number;
        remaining: number;
        fraction: number;
    } | null;
    private evaluateRefusal;
    private outlineForSnapshot;
    safeRead(args: {
        readonly path: string;
        readonly intent?: string | undefined;
    }): Promise<RepoWorkspaceSafeReadResult>;
    fileOutline(args: {
        readonly path: string;
    }): Promise<RepoWorkspaceFileOutlineResult>;
    readRange(args: {
        readonly path: string;
        readonly start: number;
        readonly end: number;
    }): Promise<RepoWorkspaceReadRangeResult>;
    changedSince(args: {
        readonly path: string;
        readonly consume?: boolean | undefined;
    }): Promise<RepoWorkspaceChangedSinceResult>;
}
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