export interface ToolPreview {
    toolName: string;
    summary: string;
    emoji: string;
}
export interface DiffSection {
    header: string;
    added: number;
    removed: number;
    lines: string[];
}
export declare function setToolPreviewMaxLen(n: number): void;
export declare function buildToolPreview(toolName: string, args: Record<string, unknown>): string | null;
export declare function getToolEmoji(toolName: string): string;
export declare function getCuteToolMessage(toolName: string, args: Record<string, unknown>, durationMs: number, result?: unknown): string;
export interface SpinnerFrame {
    frames: string[];
    interval: number;
}
export declare const SPINNERS: Record<string, SpinnerFrame>;
export declare const KAWAII_THINKING_FACES: string[];
export declare const KAWAII_WAITING_FACES: string[];
export declare const THINKING_VERBS: string[];
export declare class KawaiiSpinner {
    private message;
    private spinnerType;
    private frameIndex;
    private intervalHandle;
    private isTty;
    private printFn;
    constructor(message: string, spinnerType?: string, printFn?: (text: string) => void);
    start(): void;
    stop(finalMessage?: string): void;
    updateText(newMessage: string): void;
    printAbove(text: string): void;
}
export declare function renderThinkingBlock(content: string, maxLen?: number): string;
export declare function renderCostLine(amountUsd: number, inputTokens: number, outputTokens: number): string;
export declare function extractEditDiff(before: string, after: string, filePath?: string): string;
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