import { z } from 'zod';
export declare const textContentSchema: z.ZodObject<{
    html: z.ZodString;
}, z.core.$strip>;
export type TextContent = z.infer<typeof textContentSchema>;
export declare const headingContentSchema: z.ZodObject<{
    text: z.ZodString;
    level: z.ZodUnion<readonly [z.ZodLiteral<1>, z.ZodLiteral<2>, z.ZodLiteral<3>, z.ZodLiteral<4>]>;
}, z.core.$strip>;
export type HeadingContent = z.infer<typeof headingContentSchema>;
export declare const codeContentSchema: z.ZodObject<{
    code: z.ZodString;
    language: z.ZodString;
    filename: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
export type CodeContent = z.infer<typeof codeContentSchema>;
/**
 * `size` controls the rendered width of the image. The viewer applies it
 * via a CSS class (e.g. `.cpub-image-size-m`):
 *   - `s` = ~320px max (small inline figure)
 *   - `m` = ~540px max (reading-friendly default for new uploads)
 *   - `l` = ~760px max (matches the ProjectView prose-image cap)
 *   - `full` = no width cap (fills its container up to 100%)
 *
 * Optional + back-compat: BlockTuples authored before this field existed
 * parse fine and render at `l` per the viewer's fallback (matches the
 * pre-size-picker behavior from layer 0.21.18).
 */
export declare const imageContentSchema: z.ZodObject<{
    src: z.ZodString;
    alt: z.ZodString;
    caption: z.ZodOptional<z.ZodString>;
    size: z.ZodOptional<z.ZodEnum<{
        s: "s";
        full: "full";
        m: "m";
        l: "l";
    }>>;
}, z.core.$strip>;
export type ImageContent = z.infer<typeof imageContentSchema>;
export type ImageSize = NonNullable<ImageContent['size']>;
export declare const quoteContentSchema: z.ZodObject<{
    html: z.ZodString;
    attribution: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
export type QuoteContent = z.infer<typeof quoteContentSchema>;
export declare const calloutContentSchema: z.ZodObject<{
    html: z.ZodString;
    variant: z.ZodEnum<{
        info: "info";
        tip: "tip";
        warning: "warning";
        danger: "danger";
    }>;
}, z.core.$strip>;
export type CalloutContent = z.infer<typeof calloutContentSchema>;
export declare const galleryContentSchema: z.ZodObject<{
    images: z.ZodArray<z.ZodObject<{
        src: z.ZodString;
        alt: z.ZodString;
        caption: z.ZodOptional<z.ZodString>;
    }, z.core.$strip>>;
}, z.core.$strip>;
export type GalleryContent = z.infer<typeof galleryContentSchema>;
export declare const videoContentSchema: z.ZodObject<{
    url: z.ZodString;
    platform: z.ZodString;
    caption: z.ZodOptional<z.ZodString>;
    size: z.ZodOptional<z.ZodEnum<{
        s: "s";
        full: "full";
        m: "m";
        l: "l";
    }>>;
}, z.core.$strip>;
export type VideoContent = z.infer<typeof videoContentSchema>;
export declare const embedContentSchema: z.ZodObject<{
    url: z.ZodString;
    type: z.ZodString;
    html: z.ZodOptional<z.ZodString>;
    size: z.ZodOptional<z.ZodEnum<{
        s: "s";
        full: "full";
        m: "m";
        l: "l";
    }>>;
}, z.core.$strip>;
export type EmbedContent = z.infer<typeof embedContentSchema>;
export declare const markdownContentSchema: z.ZodObject<{
    source: z.ZodString;
}, z.core.$strip>;
export type MarkdownContent = z.infer<typeof markdownContentSchema>;
export declare const dividerContentSchema: z.ZodObject<{}, z.core.$strip>;
export type DividerContent = z.infer<typeof dividerContentSchema>;
export declare const partsListContentSchema: z.ZodObject<{
    parts: z.ZodArray<z.ZodObject<{
        name: z.ZodString;
        qty: z.ZodNumber;
        price: z.ZodOptional<z.ZodNumber>;
        url: z.ZodOptional<z.ZodString>;
        category: z.ZodOptional<z.ZodString>;
        required: z.ZodOptional<z.ZodBoolean>;
    }, z.core.$strip>>;
}, z.core.$strip>;
export type PartsListContent = z.infer<typeof partsListContentSchema>;
export declare const buildStepContentSchema: z.ZodObject<{
    stepNumber: z.ZodNumber;
    image: z.ZodOptional<z.ZodString>;
    instructions: z.ZodString;
    time: z.ZodOptional<z.ZodString>;
    partsUsed: z.ZodOptional<z.ZodArray<z.ZodString>>;
}, z.core.$strip>;
export type BuildStepContent = z.infer<typeof buildStepContentSchema>;
export declare const toolListContentSchema: z.ZodObject<{
    tools: z.ZodArray<z.ZodObject<{
        name: z.ZodString;
        url: z.ZodOptional<z.ZodString>;
        required: z.ZodOptional<z.ZodBoolean>;
    }, z.core.$strip>>;
}, z.core.$strip>;
export type ToolListContent = z.infer<typeof toolListContentSchema>;
export declare const downloadsContentSchema: z.ZodObject<{
    files: z.ZodArray<z.ZodObject<{
        name: z.ZodString;
        url: z.ZodString;
        size: z.ZodOptional<z.ZodString>;
        type: z.ZodOptional<z.ZodString>;
    }, z.core.$strip>>;
}, z.core.$strip>;
export type DownloadsContent = z.infer<typeof downloadsContentSchema>;
export declare const quizContentSchema: z.ZodObject<{
    question: z.ZodString;
    options: z.ZodArray<z.ZodObject<{
        text: z.ZodString;
        correct: z.ZodBoolean;
    }, z.core.$strip>>;
    feedback: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
export type QuizContent = z.infer<typeof quizContentSchema>;
export declare const interactiveSliderContentSchema: z.ZodObject<{
    label: z.ZodString;
    min: z.ZodNumber;
    max: z.ZodNumber;
    step: z.ZodNumber;
    defaultValue: z.ZodNumber;
    states: z.ZodArray<z.ZodObject<{
        range: z.ZodTuple<[z.ZodNumber, z.ZodNumber], null>;
        label: z.ZodString;
        color: z.ZodOptional<z.ZodString>;
    }, z.core.$strip>>;
}, z.core.$strip>;
export type InteractiveSliderContent = z.infer<typeof interactiveSliderContentSchema>;
export declare const checkpointContentSchema: z.ZodObject<{
    message: z.ZodString;
}, z.core.$strip>;
export type CheckpointContent = z.infer<typeof checkpointContentSchema>;
export declare const mathNotationContentSchema: z.ZodObject<{
    expression: z.ZodString;
    display: z.ZodOptional<z.ZodBoolean>;
}, z.core.$strip>;
export type MathNotationContent = z.infer<typeof mathNotationContentSchema>;
export declare const sectionHeaderContentSchema: z.ZodObject<{
    tag: z.ZodString;
    title: z.ZodString;
    body: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
export type SectionHeaderContent = z.infer<typeof sectionHeaderContentSchema>;
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