import { ReactNode } from 'react';
import { ContextIndicatorProps } from "../../atoms/ContextIndicator/index.js";
import "./PromptInputHeader.css";
/**
 * Context item configuration
 */
export type ContextItemConfig = {
    /** Unique identifier for the context item */
    id: string;
    /** Content to display in the context item */
    content: ReactNode;
    /** Callback when context item is removed */
    onRemove?: () => void;
};
/**
 * Props for the default header layout (context items and indicator)
 */
type PromptInputHeaderDefaultProps = {
    /** Array of context items to display on the left */
    contextItems?: ContextItemConfig[];
    /** Show context indicator */
    showContextIndicator?: boolean;
    /** Props for the context indicator */
    contextIndicatorProps?: ContextIndicatorProps;
    /** Custom content is not allowed together with default header props */
    children?: never;
};
/**
 * Props for the custom content mode (replaces the default header entirely)
 */
type PromptInputHeaderCustomProps = {
    /** Custom content to replace the default header */
    children?: ReactNode;
    /** Not allowed together with custom content */
    contextItems?: never;
    /** Not allowed together with custom content */
    showContextIndicator?: never;
    /** Not allowed together with custom content */
    contextIndicatorProps?: never;
};
/**
 * Props for the PromptInputHeader component.
 * Custom content (`children`) and default header props are mutually exclusive.
 */
export type PromptInputHeaderProps = {
    /** Additional CSS class */
    className?: string;
    /** QA/test identifier */
    qa?: string;
} & (PromptInputHeaderDefaultProps | PromptInputHeaderCustomProps);
/**
 * PromptInputHeader component displays the header section of prompt input
 * with optional context items on the left, context indicator on the right, or custom content
 *
 * @param props - Component props
 * @returns React component
 */
export declare function PromptInputHeader(props: PromptInputHeaderProps): import("react/jsx-runtime").JSX.Element | null;
export {};