import type { Appendable } from './Appendable';
import type { CharSequence } from './CharSequence';
import { JavaObject } from './JavaObject';
export declare class AbstractStringBuilder extends JavaObject implements Appendable, CharSequence {
    protected value: string;
    constructor(param?: string | number);
    compareTo(other: AbstractStringBuilder): number;
    isEmpty(): boolean;
    length(): number;
    capacity(): number;
    ensureCapacity(minimumCapacity: number): void;
    trimToSize(): void;
    setLength(newLength: number): void;
    charAt(index: number): string;
    codePointAt(index: number): number;
    codePointBefore(index: number): number;
    codePointCount(beginIndex: number, endIndex: number): number;
    offsetByCodePoints(index: number, codePointOffset: number): number;
    getChars(srcBegin: number, srcEnd: number, dst: string[], dstBegin: number): void;
    setCharAt(index: number, chr: string): void;
    append(param: any): AbstractStringBuilder;
    append(param: CharSequence | AbstractStringBuilder, start: number, end: number): AbstractStringBuilder;
    append(param: string[], offset: number, len: number): AbstractStringBuilder;
    delete(start: number, end: number): AbstractStringBuilder;
    appendCodePoint(codePoint: number): AbstractStringBuilder;
    deleteCharAt(index: number): AbstractStringBuilder;
    replace(start: number, end: number, str: string): AbstractStringBuilder;
    subSequence(start: number, end: number): CharSequence;
    substring(start: number, end?: number): string;
    insert(offset: number, obj: any): AbstractStringBuilder;
    insert(index: number, str: string[], offset: number, len: number): AbstractStringBuilder;
    indexOf(str: string, fromIndex?: number): number;
    lastIndexOf(str: string, fromIndex?: number): number;
    reverse(): AbstractStringBuilder;
    toString(): string;
    transpilerCanonicalName(): string;
    isTranspiledInstanceOf(name: string): boolean;
}
export declare function cast_java_lang_AbstractStringBuilder(obj: unknown): AbstractStringBuilder;
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