import type { SandboxSession } from "eve/sandbox";
type PatchHunk = {
    readonly type: "add";
    readonly path: string;
    readonly contents: string;
} | {
    readonly type: "delete";
    readonly path: string;
} | {
    readonly type: "update";
    readonly path: string;
    readonly movePath?: string;
    readonly chunks: readonly UpdateChunk[];
};
interface UpdateChunk {
    readonly oldLines: readonly string[];
    readonly newLines: readonly string[];
    readonly changeContext?: string;
    /** Function context from a unified-diff range header; git may have truncated it. */
    readonly contextHint?: string;
    readonly endOfFile?: boolean;
}
export interface AppliedPatchFile {
    readonly operation: "add" | "delete" | "move" | "update";
    readonly path: string;
    readonly previousPath?: string;
}
/** A verified change about to be written, with the content it replaces. */
export interface PlannedPatchFile extends AppliedPatchFile {
    readonly previousContent: string | null;
}
export declare function applyPatchToSandbox(input: {
    readonly beforeCommit?: (files: readonly PlannedPatchFile[]) => Promise<void>;
    readonly patchText: string;
    readonly patchRoot: string;
    readonly sandbox: SandboxSession;
    /** Serializes patches per eve session; every `ctx.getSandbox()` call returns a new handle. */
    readonly sessionId: string;
}): Promise<AppliedPatchFile[]>;
export declare function parsePatch(patchText: string): readonly PatchHunk[];
export declare function deriveUpdatedContent(path: string, chunks: readonly UpdateChunk[], original: string): string;
export {};