import type { ReactNode } from 'react';
export declare const BLOCK_KINDS: readonly ["heading", "text", "image", "button", "divider", "spacer", "columns", "social", "footer"];
export type BlockKind = (typeof BLOCK_KINDS)[number];
export type Alignment = 'left' | 'center' | 'right';
export interface SpacingValue {
    top: number;
    right: number;
    bottom: number;
    left: number;
}
export interface HeadingBlockProps {
    text: string;
    level: 1 | 2 | 3;
    alignment: Alignment;
    color: string;
    fontFamily: string;
    fontWeight: 400 | 500 | 600 | 700;
    fontSize: number;
    padding: SpacingValue;
}
export interface TextBlockProps {
    /**
     * Plain or simple HTML text. The reference Lexical editor was deferred — the
     * default property editor renders a `<textarea>`; consumers can swap a richer
     * editor in via the `renderTextEditor` slot in a future iteration.
     */
    content: string;
    alignment: Alignment;
    color: string;
    fontFamily: string;
    fontWeight: 300 | 400 | 500 | 600 | 700;
    fontSize: number;
    padding: SpacingValue;
}
export interface ImageBlockProps {
    src: string;
    alt: string;
    linkUrl: string;
    width: number;
    height: number | 'auto';
    alignment: Alignment;
    padding: SpacingValue;
}
export interface ButtonBlockProps {
    text: string;
    url: string;
    backgroundColor: string;
    textColor: string;
    borderRadius: number;
    size: 'sm' | 'md' | 'lg';
    alignment: Alignment;
    fullWidth: boolean;
    padding: SpacingValue;
}
export interface DividerBlockProps {
    color: string;
    thickness: number;
    width: number;
    style: 'solid' | 'dashed' | 'dotted';
    padding: SpacingValue;
}
export interface SpacerBlockProps {
    height: number;
}
export type ColumnLayout = '50-50' | '33-67' | '67-33' | '33-33-33';
export interface ColumnsBlockProps {
    layout: ColumnLayout;
    verticalAlignment: 'top' | 'middle' | 'bottom';
    backgroundColor: string;
    gap: number;
    mobileStacking: boolean;
    padding: SpacingValue;
}
export interface SocialLink {
    platform: string;
    url: string;
    iconUrl?: string;
}
export interface SocialBlockProps {
    links: SocialLink[];
    iconSize: number;
    spacing: number;
    alignment: Alignment;
    padding: SpacingValue;
}
export interface FooterBlockProps {
    companyName: string;
    address: string;
    customText: string;
    unsubscribeText: string;
    textColor: string;
    fontSize: number;
    alignment: Alignment;
    padding: SpacingValue;
}
export interface BlockPropsMap {
    heading: HeadingBlockProps;
    text: TextBlockProps;
    image: ImageBlockProps;
    button: ButtonBlockProps;
    divider: DividerBlockProps;
    spacer: SpacerBlockProps;
    columns: ColumnsBlockProps;
    social: SocialBlockProps;
    footer: FooterBlockProps;
}
export interface EmailBlock<K extends BlockKind = BlockKind> {
    id: string;
    kind: K;
    props: BlockPropsMap[K];
    /** Only used by `kind: 'columns'` — one entry per column. */
    children?: EmailBlock[][];
}
export interface EmailEnvelope {
    subject?: string;
    fromName?: string;
    fromEmail?: string;
    replyTo?: string;
    preheader?: string;
}
export interface EmailDocument {
    blocks: EmailBlock[];
    envelope?: EmailEnvelope;
}
export interface EmailBrand {
    logoUrl?: string;
    brandColor?: string;
    accentColor?: string;
    fontHeading?: string;
    fontBody?: string;
}
export interface EmailBuilderLabels {
    addBlock: string;
    blockPalette: string;
    blocksTab: string;
    designTab: string;
    envelopeTab: string;
    rightRailEmpty: string;
    openBlocks: string;
    openInspector: string;
    openSettings: string;
    preview: string;
    desktopPreview: string;
    mobilePreview: string;
    exportHtml: string;
    emptyTitle: string;
    emptyDescription: string;
    inspectorEmpty: string;
    duplicateBlock: string;
    deleteBlock: string;
    moveUp: string;
    moveDown: string;
}
export declare const defaultEmailBuilderLabels: EmailBuilderLabels;
export type DevicePreview = 'desktop' | 'mobile';
export interface MediaPickerContext {
    onPick: (url: string) => void;
    onCancel: () => void;
}
export interface SavedBlocksContext {
    onPick: (block: EmailBlock) => void;
}
export interface EmailBuilderProps {
    document: EmailDocument;
    onDocumentChange: (next: EmailDocument) => void;
    brand?: EmailBrand;
    /** Slot for picking media (image picker, etc.). Receives a callback to commit. */
    renderMediaPicker?: (ctx: MediaPickerContext) => ReactNode;
    /** Slot for the saved-blocks library. */
    renderSavedBlocks?: (ctx: SavedBlocksContext) => ReactNode;
    /** Slot for a richer text editor (e.g. Lexical). Defaults to a `<textarea>`. */
    renderTextEditor?: (ctx: {
        value: string;
        onChange: (next: string) => void;
    }) => ReactNode;
    /** Override the export-HTML button handler. Receives the rendered HTML string. */
    onExportHtml?: (html: string) => void;
    labels?: Partial<EmailBuilderLabels>;
    className?: string;
    /** Initial device preview. Defaults to `desktop`. */
    initialDevice?: DevicePreview;
}