/**
 * Bounded, cross-runtime dotenv parsing and loading.
 *
 * The parser intentionally fails closed on malformed assignments. This keeps
 * configuration behavior identical across Deno, Node.js, and Bun and avoids
 * silently starting a service with only part of its intended configuration.
 *
 * @module
 */
/** Options for {@link load}. */
export interface LoadOptions {
    /**
     * Path to the dotenv file. Pass `null` to disable file loading.
     *
     * @default ".env"
     */
    envPath?: string | URL | null;
    /** Export values that are not already present in the host environment. */
    export?: boolean;
    /**
     * Empty values are always retained. Kept for source compatibility with the
     * previous shim.
     *
     * @deprecated Empty values no longer require an option.
     */
    allowEmptyValues?: boolean;
    /**
     * Retained only so callers of the former shim continue to type-check.
     *
     * @deprecated The current dotenv contract does not load example files.
     */
    examplePath?: string | URL | null;
    /**
     * Retained only so callers of the former shim continue to type-check.
     *
     * @deprecated The current dotenv contract does not load defaults files.
     */
    defaultsPath?: string | URL | null;
}
/**
 * Parse dotenv content into a null-prototype record.
 *
 * Unquoted values support `$KEY`, `${KEY}`, and `${KEY:-default}`
 * interpolation. Single- and double-quoted values are not interpolated;
 * double-quoted `\n`, `\r`, and `\t` escapes are expanded.
 */
export declare function parse(content: string): Record<string, string>;
/**
 * Load and parse a dotenv file.
 *
 * Missing files produce an empty null-prototype record. Other I/O and parsing
 * failures are propagated.
 */
export declare function load(options?: LoadOptions): Promise<Record<string, string>>;
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