export interface StaticStyleObjectEntry {
    cssName: string;
    valueCode: string;
}
export declare function isUrlAttribute(name: string): boolean;
export declare function isDangerousHtmlAttribute(name: string): boolean;
export declare function isVoidHtmlElement(tagName: string): boolean;
export declare function isStaticUrlValueUnsafe(name: string, value: string): boolean;
export declare function parseStyleLiteralValue(code: string): string | number | null | undefined;
export declare function parseStaticStyleObjectLiteral(code: string): StaticStyleObjectEntry[] | undefined;
export declare function simpleSideEffectFreeExpression(code: string): string | undefined;
export declare function htmlAttributeName(name: string): string;
/**
 * Resolves the HTML attribute name one JSX prop name produces on one element.
 *
 * `input` is the only element where the name depends on the tag: React seeds an
 * input through `defaultValue` and `defaultChecked`, which are the `value` and
 * `checked` attributes in HTML. Every emitter has to agree on this, because the
 * client template and the server markup are compared attribute by attribute
 * during hydration.
 */
export declare function htmlAttributeNameForElement(tagName: string, name: string): string;
export declare function isBooleanishStringAttribute(name: string): boolean;
export interface OptionSelectedLocalNames {
    selected: string;
    optionValue: string;
    boundOptionValue: string;
    textValue: string;
    textParts: string;
    textBody: string;
    textHasValue: string;
    selectValue: string;
    selectValueAttribute: string;
    selectDefaultValue: string;
    selectMultiple: string;
    attributes: string;
    index: string;
    candidate: string;
}
/**
 * Combines a `<select>` element's `value` and `defaultValue` expressions into the
 * single selection expression its descendant `<option>` elements compare against.
 *
 * `value` wins whenever it evaluates to something other than `null`/`undefined`,
 * matching React's `props.value != null ? props.value : props.defaultValue`.
 * Returning `undefined` means the select is uncontrolled, which leaves each
 * option's own `selected` attribute in charge.
 */
export declare function emitSelectSelectionValueCode(valueCode: string | undefined, defaultValueCode: string | undefined): string | undefined;
/**
 * Emits the ` selected=""` attribute fragment for one `<option>` rendered inside a
 * `<select>` that declares a selection.
 *
 * Shared by the string and the stream server emitters so both agree on value
 * normalization (`String()` comparison, so `2` matches `"2"`), on array values
 * (`<select multiple>`), and on precedence: a live selection replaces the
 * option's own `selected`, and only an absent selection falls back to it.
 */
export declare function emitOptionSelectedAttributeCode(selectedValueCode: string, optionValueCode: string | undefined, ownSelectedFallbackCode: string, localNames?: OptionSelectedLocalNames, multipleCode?: string): string;
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