import { SMap, ResourceError } from "../general";
import { Field, InlineAdvField } from "../field";
import { resourceIdentifier, checkValid, prepareQueue, toJson } from "../symbols";
import { stackPreparable } from "../stackBackend";
import { pathItem } from "../path";
export declare function Sub(text: string, subs: SMap<Field<any>>): Substitution;
export declare function Sub(text: readonly string[], ...args: Field<any>[]): Substitution;
export declare class Substitution extends InlineAdvField<string> {
    protected readonly text: readonly string[] | string;
    protected readonly args: Field<any>[];
    [resourceIdentifier]: string;
    constructor(depth: number, text: readonly string[] | string, args: Field<any>[]);
    protected generateSubstitutionOutputApi(text: string, subs: SMap<any>): string | {
        "Fn::Sub": string;
    } | {
        "Fn::Sub": string[];
    };
    protected cleanText(text: string): string;
    protected generateSubstitutionOutput(text: readonly string[], args: Field<any>[]): string | {
        "Fn::Sub": (string | SMap<any>)[];
    } | {
        "Fn::Sub": string;
    };
    private generateTag;
    [toJson](): string | {
        "Fn::Sub": string;
    } | {
        "Fn::Sub": (string | SMap<any>)[];
    };
    [checkValid](): SMap<ResourceError>;
    [prepareQueue](stack: stackPreparable, path: pathItem, ref: boolean): void;
}