import type { NonEmptyArray } from 'effect/Array';
import * as Effect from 'effect/Effect';
export declare const BASIC_AUTH_WILDCARD_USERNAME = "*";
export type BasicAuthCredentials = {
    readonly username: string;
    readonly password: string;
};
export type ValidBasicAuthCredentials = {
    readonly username: string;
    readonly passwords: NonEmptyArray<string>;
};
export type ValidBasicAuthCredentialSet = Array<ValidBasicAuthCredentials>;
export type BasicAuthUserContext = {
    readonly verified: false;
} | {
    readonly verified: true;
    readonly userId?: string;
};
export declare function BasicAuthUserContext(verified: false): BasicAuthUserContext;
export declare function BasicAuthUserContext(verified: true, userId: string): BasicAuthUserContext;
export declare const basicAuthCredentialMatch: (basicAuth: BasicAuthCredentials) => (valid: ValidBasicAuthCredentials) => boolean;
export declare function basicAuthDecodeHeaderValue(basicAuthHeaderValue: string | undefined): Effect.Effect<BasicAuthCredentials, Error>;
export declare function basicAuthEncodeHeaderValue(basicAuthCredentials: BasicAuthCredentials): Effect.Effect<string, Error>;
export declare const basicAuthVerifyCredentials: (valid: ValidBasicAuthCredentialSet) => (basicAuth: BasicAuthCredentials) => Effect.Effect<BasicAuthUserContext>;
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