import { CCliArgGroup, CCliArgGroupOptions, CCliParseArgs } from '../c-cli-arg-group';
import { CCliConditionalValue } from '../c-cli-conditional-value';
/** Options for {@link CCliNumberArgGroup} */
export declare type CCliNumberArgGroupOptions<Optional extends boolean> = CCliArgGroupOptions<Optional>;
export declare type CCliNumberArgGroupValue<Optional extends boolean> = CCliConditionalValue<number, Optional>;
/** `number`-valued command-line argument group */
export declare class CCliNumberArgGroup<Optional extends boolean> extends CCliArgGroup<CCliNumberArgGroupValue<Optional>, Optional> {
    parse(args: CCliParseArgs<Optional>): CCliNumberArgGroupValue<Optional>;
    /** {@link CCliNumberArgGroup} factory function */
    static create<Optional extends boolean>(options?: CCliNumberArgGroupOptions<Optional>): CCliNumberArgGroup<Optional>;
}
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