export default class MutatableParams {
    _mutatableParams: Record<string, unknown>;
    _parentInstance: MutatableParams;
    constructor(parentInstance?: MutatableParams);
    set(param: string, value: unknown): MutatableParams;
    get<T = unknown>(param: string): T | undefined;
    toJSON(): Record<string, unknown>;
    validate(): void;
}
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