export type ChatMessageRole = 'user' | 'assistant' | 'system';
export interface ChatMessageAttachmentImage {
    type: 'image';
    url: string;
    name?: string;
}
export type ChatMessageAttachment = ChatMessageAttachmentImage;
export interface ChatMessageModel {
    id: string;
    role: ChatMessageRole;
    content: string;
    createdAt?: number;
    avatarUrl?: string;
    attachments?: ChatMessageAttachment[];
}
export interface ChatMessageProps {
    message: ChatMessageModel;
    markdown?: boolean;
    /** Accessible label for an image attachment thumbnail whose `name` is absent. */
    attachmentLabel?: string;
}
export interface ChatMessageEmits {
    (e: 'imageClick', payload: {
        url: string;
        name?: string;
        messageId: string;
    }): void;
}
export interface ChatListProps {
    messages: ChatMessageModel[];
    markdown?: boolean;
    stagger?: boolean;
    /** Forwarded to each TxChatMessage: names an image thumbnail that has no `name`. */
    attachmentLabel?: string;
}
export type ChatComposerTrayPlacement = 'top' | 'bottom';
export interface ChatComposerProps {
    modelValue?: string;
    placeholder?: string;
    /**
     * Accessible label for the message textarea. Falls back to `placeholder` when
     * omitted so screen readers never announce an unnamed text box.
     */
    ariaLabel?: string;
    disabled?: boolean;
    submitting?: boolean;
    allowAttachmentWhileSubmitting?: boolean;
    /** Resting height of the textarea, in lines; it grows with its content from here. */
    minRows?: number;
    /** Height cap of the textarea, in lines; content scrolls past it. Floored at `minRows`. */
    maxRows?: number;
    sendOnEnter?: boolean;
    sendOnMetaEnter?: boolean;
    allowEmptySend?: boolean;
    /** Accessible name of the icon-only send button. */
    sendButtonText?: string;
    showAttachmentButton?: boolean;
    /** Accessible name of the icon-only attachment button. */
    attachmentButtonText?: string;
    attachments?: ChatComposerAttachment[];
    /**
     * Which side of the input card the `tray` slot sits on. Changing it slides the
     * card across the tray; the outer box keeps its size when both sides' trays are
     * equally tall.
     */
    trayPlacement?: ChatComposerTrayPlacement;
    /** Accessible name for the tray. When set, the tray is a labelled `role="group"`. */
    trayLabel?: string;
}
export interface ChatComposerAttachment {
    id: string;
    label: string;
    kind?: string;
    pending?: boolean;
}
export interface ChatComposerEmits {
    (e: 'update:modelValue', value: string): void;
    (e: 'send', payload: {
        text: string;
    }): void;
    (e: 'attachmentClick'): void;
    (e: 'paste', event: ClipboardEvent): void;
    /** Files arriving via paste or drag-and-drop; the consumer owns the upload. */
    (e: 'attachmentAdd', files: File[]): void;
    (e: 'focus', event: FocusEvent): void;
    (e: 'blur', event: FocusEvent): void;
}
export interface TypingIndicatorProps {
    variant?: 'dots' | 'ai' | 'pure' | 'ring' | 'circle-dash' | 'bars';
    text?: string;
    showText?: boolean;
    /**
     * Screen-reader text for the `role="status"` region when `showText` is false.
     * Without it, hiding the label leaves the live region empty and it announces
     * nothing. Falls back to `text`.
     */
    ariaLabel?: string;
    size?: number;
    gap?: number;
    loaderSize?: number;
    pureSize?: number;
    ringSize?: number;
    ringThickness?: number;
    circleDashSize?: number;
    circleDashThickness?: number;
    circleDashDashDeg?: number;
    circleDashGapDeg?: number;
    barsSize?: number;
}