import { ILinesDiffComputer, ILinesDiffComputerOptions, LinesDiff } from './linesDiffComputer.js';
import { DetailedLineRangeMapping } from './rangeMapping.js';
export declare class LegacyLinesDiffComputer implements ILinesDiffComputer {
    computeDiff(originalLines: string[], modifiedLines: string[], options: ILinesDiffComputerOptions): LinesDiff;
}
export interface IDiffComputationResult {
    quitEarly: boolean;
    identical: boolean;
    /**
     * The changes as (legacy) line change array.
     * @deprecated Use `changes2` instead.
     */
    changes: ILineChange[];
    /**
     * The changes as (modern) line range mapping array.
     */
    changes2: readonly DetailedLineRangeMapping[];
}
/**
 * A change
 */
export interface IChange {
    readonly originalStartLineNumber: number;
    readonly originalEndLineNumber: number;
    readonly modifiedStartLineNumber: number;
    readonly modifiedEndLineNumber: number;
}
/**
 * A character level change.
 */
export interface ICharChange extends IChange {
    readonly originalStartColumn: number;
    readonly originalEndColumn: number;
    readonly modifiedStartColumn: number;
    readonly modifiedEndColumn: number;
}
/**
 * A line change
 */
export interface ILineChange extends IChange {
    readonly charChanges: ICharChange[] | undefined;
}
export interface IDiffComputerResult {
    quitEarly: boolean;
    changes: ILineChange[];
}
export interface IDiffComputerOpts {
    shouldComputeCharChanges: boolean;
    shouldPostProcessCharChanges: boolean;
    shouldIgnoreTrimWhitespace: boolean;
    shouldMakePrettyDiff: boolean;
    maxComputationTime: number;
}
export declare class DiffComputer {
    private readonly shouldComputeCharChanges;
    private readonly shouldPostProcessCharChanges;
    private readonly shouldIgnoreTrimWhitespace;
    private readonly shouldMakePrettyDiff;
    private readonly originalLines;
    private readonly modifiedLines;
    private readonly original;
    private readonly modified;
    private readonly continueLineDiff;
    private readonly continueCharDiff;
    constructor(originalLines: string[], modifiedLines: string[], opts: IDiffComputerOpts);
    computeDiff(): IDiffComputerResult;
    private _pushTrimWhitespaceCharChange;
    private _mergeTrimWhitespaceCharChange;
}