import { Serializer } from "../serializer.js";
import { InternalConstant, SerializedType } from "../constants.js";
import { IEnvironment } from "../serdestrium.js";
export declare class JSONSerializer extends Serializer<string> {
    whitespace?: {
        indentation: string;
    } | undefined;
    private base64Encodings;
    private indentString;
    constructor(environment?: IEnvironment, whitespace?: {
        indentation: string;
    } | undefined);
    protected emitInstance(instanceData: SerializedType): Generator<string, void, unknown>;
    protected emitObject(object: any): Generator<string, void, unknown>;
    private emitKVPair;
    protected emitArray(array: any): Generator<string, void, unknown>;
    protected emitBinary(blob: ArrayBuffer): Generator<string, void, unknown>;
    protected emitInternalConstant(constant: InternalConstant): string;
    protected emitReference(identifier: any): string;
    protected emitNumber(number: number): string;
    protected emitString(string: string): string;
    protected emitBoolean(bool: boolean): string;
    protected emitSymbol(symbol: symbol): string;
    private escapedString;
    private increaseIndentation;
    private decreaseIndentation;
}