import type { ElementalContent, ElementalNode } from "@/types/elemental.types";
/**
 * Extract plain text from an ElementalNode, handling both simple format ({ content: "..." })
 * and rich format ({ elements: [{ type: "string", content: "..." }, ...] }).
 * The rich format is produced by convertTiptapToElemental for heading/paragraph nodes.
 */
export declare function extractPlainTextFromNode(element: ElementalNode): string;
/**
 * Cleans an Inbox element by removing styling properties from text and action elements.
 */
export declare function cleanInboxElements(elements: ElementalNode[]): ElementalNode[];
/**
 * Cleans Push elements by removing styling properties from text elements.
 * Handles both simple format ({ content: "..." }) and rich format ({ elements: [...] }).
 */
export declare function cleanPushElements(elements: ElementalNode[]): ElementalNode[];
/**
 * Cleans SMS elements by removing styling properties from text elements.
 */
export declare function cleanSMSElements(elements: ElementalNode[]): ElementalNode[];
/**
 * Cleans the entire template content by applying Inbox cleaning logic to all Inbox channels.
 */
export declare function cleanTemplateContent(content: ElementalContent): ElementalContent;
/**
 * Determines how the subject/title was originally stored in a template
 * Returns "raw" if stored in channel.raw.subject/title, "meta" if stored in meta element
 */
export declare function getSubjectStorageFormat(content: ElementalContent | null | undefined, channelName: string): "raw" | "meta" | "none";
/**
 * Creates the appropriate subject/title storage structure based on the detected format.
 * For Push, SMS, and Inbox channels, uses elements array.
 */
export declare function createTitleUpdate(originalContent: ElementalContent | null | undefined, channelName: string, newTitle: string, elementalNodes: ElementalNode[]): {
    elements: ElementalNode[];
    raw?: {
        subject?: string;
        title?: string;
        text?: string;
    };
};
/**
 * Helper to extract the current title from a channel element regardless of storage format
 */
export declare function extractCurrentTitle(channelElement: ElementalNode | undefined, channelName: string): string;