import * as NumberCheck from "./number";
export declare enum PotentiallyUnsafeDateErrorCode {
    NOT_DATE = "NOT_DATE",
}
export declare function checkPotentiallyUnsafeDate(mixed: any): undefined | PotentiallyUnsafeDateErrorCode;
export declare function checkPotentiallyUnsafeDatePredicate<ErrorT>(mixed: any, predicate: (date: Date) => undefined | ErrorT): undefined | PotentiallyUnsafeDateErrorCode | ErrorT;
export declare type ValidDateErrorCodeType = (PotentiallyUnsafeDateErrorCode | {
    index: string;
    error: NumberCheck.PotentiallyUnsafeNumberErrorCode | NumberCheck.FiniteNumberErrorCode;
});
export declare function checkValidDate(mixed: any): undefined | ValidDateErrorCodeType;
export declare function checkValidDatePredicate<ErrorT>(mixed: any, predicate: (date: Date) => undefined | ErrorT): PotentiallyUnsafeDateErrorCode | {
    index: string;
    error: NumberCheck.PotentiallyUnsafeNumberErrorCode | NumberCheck.FiniteNumberErrorCode;
} | ErrorT | undefined;
export declare enum BeforeErrorCode {
    EQUAL = "EQUAL",
    AFTER = "AFTER",
}
export declare function checkBefore(mixed: any, x: Date): undefined | ValidDateErrorCodeType | BeforeErrorCode;
export declare enum AfterErrorCode {
    EQUAL = "EQUAL",
    BEFORE = "BEFORE",
}
export declare function checkAfter(mixed: any, x: Date): undefined | ValidDateErrorCodeType | AfterErrorCode;
export declare enum BeforeOrAtErrorCode {
    AFTER = "AFTER",
}
export declare function checkBeforeOrAt(mixed: any, x: Date): undefined | ValidDateErrorCodeType | BeforeOrAtErrorCode;
export declare enum AfterOrAtErrorCode {
    BEFORE = "BEFORE",
}
export declare function checkAfterOrAt(mixed: any, x: Date): undefined | ValidDateErrorCodeType | AfterOrAtErrorCode;
export declare type RangeErrorCode = ValidDateErrorCodeType | AfterOrAtErrorCode | BeforeOrAtErrorCode;
export declare function checkRange(mixed: any, args: {
    min?: Date;
    max?: Date;
}): undefined | RangeErrorCode;