import { NonNullableString, Fallback, DataType } from '@mincho-js/csstype';
import { Arr } from './utils.cjs'
export type FontFaceRule = Omit<GlobalFontFaceRule, "fontFamily">;
export interface GlobalFontFaceRule extends Fallback<FontFaceBaseRule>, FontFaceMergeRule {
}
type RequiredFontFaceRule = Required<FontFaceBaseRule>;
interface FontFaceBaseRule {
    /**
     * The **`font-feature-settings`** CSS descriptor allows you to define the initial settings to use for the font defined by the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule.
     * You can further use this descriptor to control typographic font features such as ligatures, small caps, and swashes, for the font defined by `@font-face`.
     * The values for this descriptor are the same as the [`font-feature-settings property`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face), except for the global keyword values.
     *
     * **Syntax**: `normal | <feature-tag-value>#`
     *
     * **Initial value**: `normal`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-feature-settings
     */
    MozFontFeatureSettings?: FontFeatureSettings | undefined;
    /**
     * The **`ascent-override`** CSS descriptor for the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule defines the ascent metric for the font.
     * The ascent metric is the height above the baseline that CSS uses to lay out line boxes in an inline formatting context.
     *
     * **Syntax**: `[ normal | <percentage [0,∞]> ]{1,2}`
     *
     * **Initial value**: `normal`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/ascent-override
     */
    ascentOverride?: AscentOverride | undefined;
    /**
     * The **`descent-override`** CSS descriptor for the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule defines the descent metric for the font.
     * The descent metric is the height below the baseline that CSS uses to lay out line boxes in an inline formatting context.
     *
     * **Syntax**: `[ normal | <percentage [0,∞]> ]{1,2}`
     *
     * **Initial value**: `normal`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/descent-override
     */
    descentOverride?: DescentOverride | undefined;
    /**
     * The **`font-display`** descriptor for the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule determines how a font face is displayed based on whether and when it is downloaded and ready to use.
     *
     * **Syntax**: `auto` | `block` | `swap` | `fallback` | `optional`
     *
     * **Initial value**: `auto`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-display
     */
    fontDisplay?: FontDisplay | undefined;
    /**
     * The **`font-family`** CSS descriptor sets the font family for a font specified in an [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule.
     *
     * **Syntax**: `<family-name>`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-family
     */
    fontFamily: string;
    /**
     * The **`font-feature-settings`** CSS descriptor allows you to define the initial settings to use for the font defined by the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule.
     * You can further use this descriptor to control typographic font features such as ligatures, small caps, and swashes, for the font defined by `@font-face`.
     * The values for this descriptor are the same as the [`font-feature-settings property`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face), except for the global keyword values.
     *
     * **Syntax**: `normal | <feature-tag-value>#`
     *
     * **Initial value**: `normal`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-feature-settings
     */
    fontFeatureSettings?: FontFeatureSettings | undefined;
    /**
     * The **font-stretch** CSS descriptor allows authors to specify a normal, condensed, or expanded face for the fonts specified in the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule.
     *
     * **Syntax**: `<'font-stretch'>{1,2} `
     *
     * **Initial value**: `normal`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-stretch
     */
    fontStretch?: FontStretch | undefined;
    /**
     * The **`font-style`** CSS descriptor allows authors to specify font styles for the fonts specified in the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule.
     *
     * **Syntax**: `auto` | `normal` | `italic` | `oblique <angle [-90deg,90deg]>?]`
     *
     * **Initial value**: `normal`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-style
     */
    fontStyle?: FontStyle | undefined;
    /**
     * The **`font-variant`** CSS [shorthand property](https://developer.mozilla.org/en-US/docs/Web/CSS/Shorthand_properties) allows you to set all the font variants for the fonts specified in the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) rule.
     *
     * @deprecated
     * The `font-variant` descriptor was removed from the specification in 2018.
     * The [`font-variant`](https://developer.mozilla.org/en-US/docs/Web/CSS/font-variant) value property is supported, but there is no descriptor equivalent.
     *
     * **Syntax**: `normal | none | [ <common-lig-values> || <discretionary-lig-values> || <historical-lig-values> || <contextual-alt-values> || stylistic( <feature-value-name> ) || historical-forms || styleset( <feature-value-name># ) || character-variant( <feature-value-name># ) || swash( <feature-value-name> ) || ornaments( <feature-value-name> ) || annotation( <feature-value-name> ) || [ small-caps | all-small-caps | petite-caps | all-petite-caps | unicase | titling-caps ] || <numeric-figure-values> || <numeric-spacing-values> || <numeric-fraction-values> || ordinal || slashed-zero || <east-asian-variant-values> || <east-asian-width-values> || ruby ]`
     *
     * **Initial value**: `normal`
     *
     * @see [https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-variant](https://web.archive.org/web/20220926063657/https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-variant)
     *
     */
    fontVariant?: FontVariant | undefined;
    /**
     * The **`font-variation-settings`** CSS descriptor allows authors to specify low-level OpenType or TrueType font variations in the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule.
     * The values for this descriptor are the same as the [`font-variation-settings`](https://developer.mozilla.org/en-US/docs/Web/CSS/font-variation-settings) property, except for the global keyword values.
     *
     * **Syntax**: `normal` | `[ <string> <number> ]#`
     *
     * **Initial value**: `normal`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-variation-settings
     */
    fontVariationSettings?: FontVariationSettings | undefined;
    /**
     * The **`font-weight`** CSS descriptor allows authors to specify font weights for the fonts specified in the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule.
     * The [`font-weight`](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight) property can separately be used to set how thick or thin characters in text should be displayed.
     *
     * **Syntax**: `auto` | `<font-weight-absolute>{1,2}`
     *
     * **Initial value**: `normal`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-weight
     */
    fontWeight?: FontWeight | undefined;
    /**
     * The **`line-gap-override`** CSS descriptor for the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule defines the line-gap metric for the font.
     * The line-gap metric is the font recommended line-gap or external leading.
     *
     * **Syntax**: `[ normal | <percentage [0,∞]> ]{1,2}`
     *
     * **Initial value**: `normal`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/line-gap-override
     */
    lineGapOverride?: LineGapOverride | undefined;
    /**
     * The **`size-adjust`** CSS descriptor for the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule defines a multiplier for glyph outlines and metrics associated with this font.
     * This makes it easier to harmonize the designs of various fonts when rendered at the same font size.
     *
     * **Syntax**: `<percentage [0,∞]>`
     *
     * **Initial value**: `100%`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/size-adjust
     */
    sizeAdjust?: string | undefined;
    /**
     * The **`src`** CSS descriptor for the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule specifies the resource containing font data.
     * It is required for the `@font-face rule` to be valid.
     *
     * **Syntax**: `<url> [ format( <font-format> ) ]? [ tech( <font-tech># ) ]?  | local( <family-name> )`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/src
     */
    src?: string | undefined;
    /**
     * The **`unicode-range`** CSS descriptor sets the specific range of characters to be used from a font defined using the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule and made available for use on the current page.
     * If the page doesn't use any character in this range, the font is not downloaded; if it uses at least one, the whole font is downloaded.
     *
     * **Syntax**: `<urange>`
     *
     * **Initial value**: `U+0-10FFFF`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/unicode-range
     */
    unicodeRange?: string | undefined;
}
export interface FontFaceMergeRule {
    /**
     * The **font-stretch** CSS descriptor allows authors to specify a normal, condensed, or expanded face for the fonts specified in the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule.
     *
     * **Syntax**: `<'font-stretch'>{1,2} `
     *
     * **Initial value**: `normal`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-stretch
     */
    fontStretch_?: Arr<Exclude<RequiredFontFaceRule["fontStretch"], "normal">, 2>;
    /**
     * The **`font-style`** CSS descriptor allows authors to specify font styles for the fonts specified in the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule.
     *
     * **Syntax**: `oblique <angle [-90deg,90deg]>?]`
     *
     * **Initial value**: `normal`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-style
     */
    fontStyle_?: ["oblique", ...`${number}${Angle}`[]];
    /**
     * The **`font-weight`** CSS descriptor allows authors to specify font weights for the fonts specified in the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule.
     * The [`font-weight`](https://developer.mozilla.org/en-US/docs/Web/CSS/font-weight) property can separately be used to set how thick or thin characters in text should be displayed.
     *
     * **Syntax**: `<font-weight-absolute>{1,2}`
     *
     * **Initial value**: `normal`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-weight
     */
    fontWeight_?: RequiredFontFaceRule["fontWeight"][];
    /**
     * The **`font-feature-settings`** CSS descriptor allows you to define the initial settings to use for the font defined by the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule.
     * You can further use this descriptor to control typographic font features such as ligatures, small caps, and swashes, for the font defined by `@font-face`.
     * The values for this descriptor are the same as the [`font-feature-settings property`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face), except for the global keyword values.
     *
     * **Syntax**: `<feature-tag-value>#`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-feature-settings
     */
    fontFeatureSettings$?: FeatureTagValue;
    /**
     * The **`font-feature-settings`** CSS descriptor allows you to define the initial settings to use for the font defined by the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule.
     * You can further use this descriptor to control typographic font features such as ligatures, small caps, and swashes, for the font defined by `@font-face`.
     * The values for this descriptor are the same as the [`font-feature-settings property`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face), except for the global keyword values.
     *
     * **Syntax**: `<feature-tag-value>#`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-feature-settings
     */
    MozFontFeatureSettings$?: FeatureTagValue;
    /**
     * The **`font-variation-settings`** CSS descriptor allows authors to specify low-level OpenType or TrueType font variations in the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule.
     * The values for this descriptor are the same as the [`font-variation-settings`](https://developer.mozilla.org/en-US/docs/Web/CSS/font-variation-settings) property, except for the global keyword values.
     *
     * **Syntax**: `[ <string> <number> ]#`
     *
     * **Initial value**: `normal`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/font-variation-settings
     */
    fontVariationSettings$?: `${string} ${number}`[];
    /**
     * The **`src`** CSS descriptor for the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule specifies the resource containing font data.
     * It is required for the `@font-face rule` to be valid.
     *
     * **Syntax**: `<url> [ format( <font-format> ) ]? [ tech( <font-tech># ) ]?  | local( <family-name> )`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/src
     */
    src$?: FontFaceSrc[];
    /**
     * The **`unicode-range`** CSS descriptor sets the specific range of characters to be used from a font defined using the [`@font-face`](https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face) at-rule and made available for use on the current page.
     * If the page doesn't use any character in this range, the font is not downloaded; if it uses at least one, the whole font is downloaded.
     *
     * **Syntax**: `<urange>`
     *
     * **Initial value**: `U+0-10FFFF`
     *
     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face/unicode-range
     */
    unicodeRange$?: `U+${string}`[];
}
type FontFeatureSettings = "normal" | NonNullableString;
type AscentOverride = "normal" | NonNullableString;
type DescentOverride = "normal" | NonNullableString;
type FontStretch = DataType.FontStretchAbsolute | NonNullableString;
type FontStyle = "italic" | "normal" | "oblique" | NonNullableString;
type FontVariant = DataType.EastAsianVariantValues | "all-petite-caps" | "all-small-caps" | "common-ligatures" | "contextual" | "diagonal-fractions" | "discretionary-ligatures" | "full-width" | "historical-forms" | "historical-ligatures" | "lining-nums" | "no-common-ligatures" | "no-contextual" | "no-discretionary-ligatures" | "no-historical-ligatures" | "none" | "normal" | "oldstyle-nums" | "ordinal" | "petite-caps" | "proportional-nums" | "proportional-width" | "ruby" | "slashed-zero" | "small-caps" | "stacked-fractions" | "tabular-nums" | "titling-caps" | "unicase" | NonNullableString;
type FontVariationSettings = "normal" | NonNullableString;
type FontWeight = DataType.FontWeightAbsolute | NonNullableString;
type LineGapOverride = "normal" | NonNullableString;
type Angle = "deg" | "grad" | "rad" | "turn";
type FeatureTagValue = (NonNullableString & `${string} ${number | "on" | "off"}`)[];
type FontFaceSrc = `local(${string})` | `url(${string})` | `url(${string}) format(${string})` | `url(${string}) tech(${string})` | `url(${string}) format(${string}) tech(${string})`;
export {};