import * as postcss from 'postcss';
import type { AtRuleRaws } from 'postcss/lib/at-rule';
import { AnyExpression, ExpressionProps } from '../expression';
import type * as sassInternal from '../sass-internal';
import { ChildNode, ContainerProps, NewNode, Statement, StatementWithChildren } from '.';
import { _AtRule } from './at-rule-internal';
/**
 * The set of raws supported by {@link EachRule}.
 *
 * @category Statement
 */
export interface EachRuleRaws extends Omit<AtRuleRaws, 'params'> {
    /**
     * The whitespace and commas after each variable in
     * {@link EachRule.variables}.
     *
     * The element at index `i` is included after the variable at index `i`. Any
     * elements beyond `variables.length` are ignored.
     */
    afterVariables?: string[];
    /** The whitespace between `in` and {@link EachRule.eachExpression}. */
    afterIn?: string;
}
/**
 * The initializer properties for {@link EachRule}.
 *
 * @category Statement
 */
export type EachRuleProps = ContainerProps & {
    raws?: EachRuleRaws;
    variables: string[];
    eachExpression: AnyExpression | ExpressionProps;
};
/**
 * An `@each` rule. Extends [`postcss.AtRule`].
 *
 * [`postcss.AtRule`]: https://postcss.org/api/#atrule
 *
 * @category Statement
 */
export declare class EachRule extends _AtRule<Partial<EachRuleProps>> implements Statement {
    readonly sassType: "each-rule";
    parent: StatementWithChildren | undefined;
    raws: EachRuleRaws;
    nodes: ChildNode[];
    /** The variable names assigned for each iteration, without `"$"`. */
    variables: string[];
    get name(): string;
    set name(value: string);
    get params(): string;
    set params(value: string | number | undefined);
    /** The expression whose value is iterated over. */
    get eachExpression(): AnyExpression;
    set eachExpression(eachExpression: AnyExpression | ExpressionProps);
    private _eachExpression?;
    constructor(defaults: EachRuleProps);
    /** @hidden */
    constructor(_: undefined, inner: sassInternal.EachRule);
    clone(overrides?: Partial<EachRuleProps>): this;
    toJSON(): object;
    /** @hidden */
    toJSON(_: string, inputs: Map<postcss.Input, number>): object;
    /** @hidden */
    toString(stringifier?: postcss.Stringifier | postcss.Syntax): string;
    /** @hidden */
    get nonStatementChildren(): ReadonlyArray<AnyExpression>;
    /** @hidden */
    normalize(node: NewNode, sample?: postcss.Node): ChildNode[];
}