import ReadOnlyConfiguration from "./readOnlyConfiguration";
export declare abstract class ReadOnlyConfig<Type extends Object> implements ReadOnlyConfiguration<Type> {
    protected readonly configuration: Type;
    protected readonly isValidConfig: boolean;
    constructor(configuration: Type);
    get(): Type;
    validate(config: Record<string, any>): boolean;
    isValid(): boolean;
    has(key: keyof Type): boolean;
    getEntry(key: keyof Type): any | null;
    protected abstract validateEntry(key: string, value: any): boolean | null;
}