import { BasicNode } from './BasicNode';
import type { ServerVariableModel, ServerVariableModelParent } from './types';
import type { CommonMarkString, Nullable } from '@fresha/api-tools-core';
/**
 * @see http://spec.openapis.org/oas/v3.0.3#server-variable-object
 */
export declare class ServerVariable extends BasicNode<ServerVariableModelParent> implements ServerVariableModel {
    #private;
    constructor(parent: ServerVariableModelParent, defaultValue: string);
    get allowedValueCount(): number;
    allowedValues(): IterableIterator<string>;
    hasAllowedValue(value: string): boolean;
    addAllowedValues(...values: string[]): void;
    deleteAllowedValues(...values: string[]): void;
    clearAllowedValues(): void;
    get defaultValue(): string;
    set defaultValue(value: string);
    get description(): Nullable<CommonMarkString>;
    set description(value: Nullable<CommonMarkString>);
}
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