import type { Theme } from "@earendil-works/pi-coding-agent";
/** One immutable rendered-history reference; no history-sized copy on drag. */
export declare class ConversationTextSelection {
    source: string[] | undefined;
    private anchor;
    private focus;
    dragging: boolean;
    clear(): void;
    start(source: string[], row: number, col: number): void;
    move(row: number, col: number): void;
    finish(row: number, col: number): void;
    get active(): boolean;
    private point;
    private bounds;
    text(): string | undefined;
    highlight(line: string, row: number, theme: Theme): string;
}
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