/** A line anchor: line number + hash */
export interface HashAnchor {
    line: number;
    hash: string;
}
/** File version digest */
export interface FileVersion {
    version: string;
    algorithm: "sha256";
}
/** Replace operation: replace line(s) at pos..end with new content */
export interface ReplaceOp {
    op: "replace";
    pos: string;
    end?: string;
    lines: string | string[];
}
/** Append operation: insert after pos (or EOF if no pos) */
export interface AppendOp {
    op: "append";
    pos?: string;
    lines: string | string[];
}
/** Prepend operation: insert before pos (or BOF if no pos) */
export interface PrependOp {
    op: "prepend";
    pos?: string;
    lines: string | string[];
}
/** Union of all edit operations */
export type EditOp = ReplaceOp | AppendOp | PrependOp;
/** Raw edit from tool args (before normalization) */
export interface RawEditOp {
    op?: "replace" | "append" | "prepend";
    pos?: string;
    end?: string;
    lines?: string | string[] | null;
}
/** Per-file edit request */
export interface FileEditRequest {
    filePath: string;
    version: string;
    edits: RawEditOp[];
}
/** Result of re-anchoring a single changed line */
export interface ReanchoredLine {
    line: number;
    oldAnchor: string;
    newAnchor: string;
    newContent: string;
}
/** Result of editing a single file */
export interface EditFileResult {
    filePath: string;
    version: string;
    diff: string;
    additions: number;
    deletions: number;
    reanchored: ReanchoredLine[];
}
/** Result of a batch edit (multi-file) */
export interface BatchEditResult {
    files: EditFileResult[];
    success: boolean;
    error?: string;
}
/** Read tool result */
export interface ReadResult {
    filePath: string;
    version: string;
    totalLines: number;
    startLine: number;
    endLine: number;
    hashWidth: number;
    lines: string[];
}
/** File text envelope for canonicalization */
export interface FileTextEnvelope {
    content: string;
    hadBom: boolean;
    lineEnding: "\n" | "\r\n";
    /** Per-line original terminator: entry i is the terminator that followed the
     * original (i+1)-th logical line. "\r\n" = CRLF, "\n" = bare LF, "" = last
     * line had no terminator. Preserves mixed CRLF+LF files on restore (D10). */
    lineEols: Array<"\r\n" | "\n" | "">;
}
/** A hash mismatch for error reporting */
export interface HashMismatch {
    line: number;
    expected: string;
    actual?: string;
}
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