import { Extension } from '@codemirror/state';
import { EditorView } from '@codemirror/view';
import { DiffData, DiffThemeColors } from '../types';
import { BaseView } from './base-view';
export declare class SideBySideView extends BaseView {
    private before;
    private after;
    private scrollSyncCleanup;
    private foldSyncCleanup;
    private heightSyncHandle;
    /** Batch update state */
    private pendingUpdate;
    private updateRafId;
    /** Stored alignment data for dynamic reconfiguration */
    private alignmentBeforeLines;
    private alignmentAfterLines;
    /** Stored diff data for incremental updates */
    private currentDiffData;
    private currentFormat;
    private currentBlockLineRanges;
    render(diffData: DiffData, format: "json" | "yaml"): void;
    updateTheme(dark: boolean, colors?: Partial<DiffThemeColors>, baseTheme?: Extension): void;
    getEditorViews(): EditorView[];
    destroy(): void;
    private destroyEditors;
    setWordWrap(enabled: boolean): void;
    setFoldingEnabled(enabled: boolean): void;
    setClassificationEnabled(enabled: boolean): void;
    setWordDiffMode(mode: "word" | "char" | "none"): void;
    private queueUpdate;
    private computeUpdates;
    private applyPendingUpdates;
    private setupScrollSync;
}