import type { ReactNode } from 'react';
import type { SxProps, Theme } from '@mui/material/styles';
export interface ThemedChatAccordionStep {
    id: string;
    label: ReactNode;
    /** Shows the DS-owned progress indicator while `isStreaming` is true. */
    isActive?: boolean;
}
export interface ThemedChatAccordionProps {
    /** Header text of the collapsed accordion (e.g. "Reasoning"). */
    title: ReactNode;
    /** Completed and in-flight steps for a single assistant turn. */
    steps: readonly ThemedChatAccordionStep[];
    /**
     * When true the steps render inline as a flat list (active step shows a
     * spinner); when false they fold into a collapsed accordion. Conditionally
     * mounting the accordion means its uncontrolled expansion naturally starts
     * from `defaultExpanded` once streaming ends.
     */
    isStreaming?: boolean;
    /**
     * Renders per-step todo/checklist status icons in the streaming view:
     * done steps show `check_circle`, the active step shows the spinner, and
     * pending steps show `radio_button_unchecked`.
     */
    stepStatusIcons?: boolean;
    defaultExpanded?: boolean;
    /** Controlled expansion. Omit to keep the product rule: collapsed when done. */
    expanded?: boolean;
    onChange?: (expanded: boolean) => void;
    sx?: SxProps<Theme>;
}
/**
 * Chat "Reasoning" block for an assistant turn. While streaming it shows tool
 * steps inline; once streaming completes the same steps fold into a collapsed
 * accordion labelled `title`. Content construction (labels, Markdown, italics)
 * stays host-owned via `label: ReactNode`; the DS owns row layout and the
 * streaming spinner.
 *
 * @example
 * <ThemedChatAccordion
 *   title="Reasoning"
 *   isStreaming={isStreaming}
 *   steps={[{ id: '1', label: 'Tool used: Loading file' }, { id: '2', label: 'Extracting data', isActive: true }]}
 * />
 */
export declare const ThemedChatAccordion: import("react").ForwardRefExoticComponent<ThemedChatAccordionProps & import("react").RefAttributes<HTMLDivElement>>;
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