import Validatable from '@alirya/validatable/validatable';
import Value from '@alirya/value/value';
export declare function StringParameters(value: unknown, valid: boolean, subject?: string, conversion?: (value: unknown) => string): string;
export declare type StringArgument = Validatable & Value & {
    subject?: string;
} & {
    conversion?: (value: unknown) => string;
};
export declare function StringParameter({ valid, value, subject, conversion }: StringArgument): string;
declare namespace String {
    const Parameters: typeof StringParameters;
    const Parameter: typeof StringParameter;
    type Argument = StringArgument;
}
export default String;
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