Fix map definition

[commandblock2]

import type { KAnnotatedElement } from '../../kotlin/reflect/KAnnotatedElement.d.ts'
import type { Any } from '../../java/lang/Any.d.ts'
import type { KParameter } from '../../kotlin/reflect/KParameter.d.ts'
import type { KType } from '../../kotlin/reflect/KType.d.ts'
import type { KTypeParameter } from '../../kotlin/reflect/KTypeParameter.d.ts'
import type { KVisibility } from '../../kotlin/reflect/KVisibility.d.ts'
export interface KCallable<R extends Any | null> extends KAnnotatedElement, Any {
    isAbstract: boolean;
    isFinal: boolean;
    isOpen: boolean;
    isSuspend: boolean;
    name: string;
    parameters: KParameter[];
    returnType: KType;
    typeParameters: KTypeParameter[];
    visibility: KVisibility | null;
    call(args: (Any | null)[]): R;
    callBy(args: { [key: KParameter]: Any | null }): R;
}

An index signature parameter type must be 'string', 'number', 'symbol', or a template literal type.ts(1268)

[commandblock2]

see ntrrgc#39