import { ICodeEditor, IRange, ITextModel } from '@opensumi/ide-monaco';
/**
 * @internal
 */
export interface IMultiLineDiffChangeResult {
    added?: boolean;
    removed?: boolean;
    value: string;
}
interface IResultWithCount extends IMultiLineDiffChangeResult {
    count: number;
}
declare class MultiLineDiffComputer {
    private extractCommon;
    protected equals(a: string, b: string | undefined): boolean;
    protected tokenize(content: string): string[];
    diff(originalContent: string, modifiedContent: string): IResultWithCount[] | undefined;
}
declare class RewriteDiffComputer extends MultiLineDiffComputer {
    equals(a: string, b: string): boolean;
    tokenize(content: string): string[];
}
export declare const multiLineDiffComputer: MultiLineDiffComputer;
export declare const rewriteDiffComputer: RewriteDiffComputer;
export declare const mergeMultiLineDiffChanges: (lines: IMultiLineDiffChangeResult[], eol: string) => IMultiLineDiffChangeResult[];
/**
 * 根据原始内容和要修改的内容，返回字符级或单词级的差异
 */
export declare const computeMultiLineDiffChanges: (originalContent: string, modifiedContent: string, monacoEditor: ICodeEditor, lineNumber: number, eol: string) => {
    singleLineCharChanges: IMultiLineDiffChangeResult[];
    charChanges: IMultiLineDiffChangeResult[];
    wordChanges: IMultiLineDiffChangeResult[];
    isOnlyAddingToEachWord: boolean;
};
/**
 * 将单词级别的 change 转换为行级别的 change 映射
 */
export declare const wordChangesToLineChangesMap: (wordChanges: IMultiLineDiffChangeResult[], range: IRange, model: ITextModel | null) => {
    [lineNumber: number]: IMultiLineDiffChangeResult[][];
};
export {};
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