export type ApplyPatchErrorCode = "invalid_patch" | "invalid_hunk" | "apply_failed";
export declare class ApplyPatchError extends Error {
    code: ApplyPatchErrorCode;
    lineNumber?: number;
    constructor(code: ApplyPatchErrorCode, message: string, lineNumber?: number);
}
export type AddFileHunk = {
    type: "add";
    path: string;
    contents: string;
};
export type DeleteFileHunk = {
    type: "delete";
    path: string;
};
export type UpdateFileChunk = {
    changeContext?: string;
    oldLines: string[];
    newLines: string[];
    isEndOfFile: boolean;
};
export type UpdateFileHunk = {
    type: "update";
    path: string;
    movePath?: string;
    chunks: UpdateFileChunk[];
};
export type PatchHunk = AddFileHunk | DeleteFileHunk | UpdateFileHunk;
export type ApplyPatchArgs = {
    patch: string;
    hunks: PatchHunk[];
};
export type AffectedPaths = {
    added: string[];
    modified: string[];
    deleted: string[];
};
export type ApplyPatchFileChangeAction = "added" | "modified" | "deleted" | "moved";
export type ApplyPatchFileChange = {
    action: ApplyPatchFileChangeAction;
    path: string;
    sourcePath?: string;
    diff?: string;
};
export type VirtualFileState = {
    path: string;
    initialExists: boolean;
    initialContent?: string;
    finalExists: boolean;
    finalContent?: string;
    bom?: string;
    lineEnding?: "\n" | "\r\n";
    isBinary?: boolean;
    initialBinaryContent?: Buffer;
    finalBinaryContent?: Buffer;
};
export type TouchedPaths = {
    added: string[];
    modified: string[];
    deleted: string[];
};
export declare function invalidPatch(message: string): never;
export declare function invalidHunk(lineNumber: number, message: string): never;
export declare function applyFailed(message: string): never;
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