import { type AtomType } from "./atom";
export type StringAtomType = AtomType<string> & {
    clear(): StringAtomType;
    append(s: string): StringAtomType;
    prepend(s: string): StringAtomType;
    trim(): StringAtomType;
    replace(search: string | RegExp, repl: string | ((substring: string, ...args: any[]) => string)): StringAtomType;
    replaceAll(search: string | RegExp, repl: string): StringAtomType;
    toUpperCase(): StringAtomType;
    toLowerCase(): StringAtomType;
    reset(): StringAtomType;
    readonly isEmpty: boolean;
    readonly length: number;
    includes(search: string, position?: number): boolean;
    startsWith(search: string, position?: number): boolean;
    endsWith(search: string, endPosition?: number): boolean;
};
/** Reactive string atom. Writes via `set`; reads do not notify. */
export declare function createStringAtom(initial?: string): StringAtomType;
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