import { type Context } from 'hono';
import { inspectRoutes } from 'hono/dev';
import { type FrameContext, type FrameImageAspectRatio } from '../types.js';
import { type FrameButton } from './types.js';
export declare function htmlToMetaTags(html: string, selector: string): readonly HTMLMetaElement[];
export declare function parseProperties(metaTags: readonly HTMLMetaElement[]): {
    image: string;
    imageAspectRatio: FrameImageAspectRatio;
    imageUrl: string;
    input: {
        text: string;
    } | undefined;
    postUrl: string;
    title: string;
    version: "vNext";
};
export declare function parseButtons(metaTags: readonly HTMLMetaElement[]): FrameButton[];
export declare function validateButtons(buttons: readonly FrameButton[]): {
    buttonsAreOutOfOrder: boolean;
    invalidButtons: (1 | 2 | 3 | 4)[];
};
export type State = {
    context: FrameContext;
};
export declare function htmlToState(html: string): {
    context: FrameContext;
};
export declare function htmlToFrame(html: string): {
    debug: {
        buttonsAreOutOfOrder: boolean;
        fallbackImageToUrl: boolean;
        htmlTags: string[];
        image: string;
        inputTextTooLong: boolean;
        invalidButtons: (1 | 2 | 3 | 4)[];
        postUrlTooLong: boolean;
        valid: boolean;
        buttons: FrameButton[];
        imageAspectRatio: FrameImageAspectRatio;
        imageUrl: string;
        input: {
            text: string;
        } | undefined;
        postUrl: string;
        version: "vNext";
    };
    title: string;
    buttons: FrameButton[];
    imageAspectRatio: FrameImageAspectRatio;
    imageUrl: string;
    input: {
        text: string;
    } | undefined;
    postUrl: string;
    version: "vNext";
};
export declare function getRoutes(baseUrl: string, routes: ReturnType<typeof inspectRoutes>): string[];
export declare function getCodeHtml(code: string, lang: 'json'): Promise<string>;
export declare function getImageSize(url: string): Promise<number>;
export declare function validatePostBody(value: Record<string, string | File>, c: Context): Response | {
    buttonIndex: number;
    castId: {
        fid: number;
        hash: Uint8Array;
    };
    fid: number;
    inputText: string | undefined;
    postUrl: string;
};
export declare function fetchFrame({ baseUrl, buttonIndex, castId, fid, inputText, postUrl, }: {
    baseUrl: string;
    buttonIndex: number;
    castId: {
        fid: number;
        hash: Uint8Array;
    };
    fid: number;
    inputText: string | undefined;
    postUrl: string;
}): Promise<{
    response: Response;
    speed: number;
}>;
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