export type SecretMode = 'default' | 'interactive' | 'all-secret' | 'keys';
export interface ClassifyOptions {
    mode: SecretMode;
    secretKeys?: string[];
    plaintextKeys?: string[];
    promptFn?: (key: string, value: string) => Promise<boolean>;
}
export interface ClassifyResult {
    isSecret: boolean;
}
export declare function isPlaintextByDefault(key: string, value: string): boolean;
export declare function validateClassifyOptions(options: ClassifyOptions): void;
export declare function classifyEnvEntry(key: string, value: string, options: ClassifyOptions): Promise<ClassifyResult>;
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