import { Arguments, Argv } from 'yargs';
export type EnvResult = Record<string, unknown> | Record<string, unknown>[] | Promise<Record<string, unknown>> | Promise<Record<string, unknown>[]>;
export interface EnvProviderResult {
    key: string;
    config?: Record<string, unknown>;
    value: Record<string, any> | Record<string, any>[];
}
export interface EnvProvider<A, C extends Record<string, any> | undefined = undefined> {
    key: string;
    builder?: (builder: Argv<unknown>) => void;
    load: (argv: Arguments<A>, config?: C) => EnvResult | never;
    pull?: (argv: Arguments<A>, config?: C) => void;
    push?: (argv: Arguments<A>, config?: C) => void;
}
export interface EnvProviderConfig {
    path: string;
    type: 'integrated' | 'module' | 'script';
    handler: EnvProvider<any, any>;
    config?: Record<string, unknown>;
}
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