import { Util, Collection } from "../";
/** Fundamental comparators. */
export declare type EmptinessComparator = "is_empty" | "is_not_empty";
export declare type StringComparator = "string_is" | "string_is_not" | "string_contains" | "string_does_not_contain" | "string_starts_with" | "string_ends_with";
export declare type EnumSingleComparator = "enum_is" | "enum_is_not";
export declare type EnumMultipleComparator = "enum_contains" | "enum_does_not_contain";
export declare type CheckboxSpecificComparator = "checkbox_is" | "checkbox_is_not";
export declare type DateSpecificComparator = "date_is" | "date_is_within" | "date_is_before" | "date_is_after" | "date_is_on_or_before" | "date_is_on_or_after";
export declare type NumberSpecificComparator = "number_equals" | "number_does_not_equal" | "number_greater_than" | "number_less_than" | "number_greater_than_or_equal_to" | "number_less_than_or_equal_to";
/** Abstracted structure comparators. */
export declare type TitleComparator = EmptinessComparator | StringComparator;
export declare type TextComparator = EmptinessComparator | StringComparator;
export declare type NumberComparator = EmptinessComparator | NumberSpecificComparator;
export declare type SelectComparator = EmptinessComparator | EnumSingleComparator;
export declare type MultiSelectComparator = EmptinessComparator | EnumMultipleComparator;
export declare type DateComparator = EmptinessComparator | DateSpecificComparator;
export declare type PersonComparator = EmptinessComparator | EnumMultipleComparator;
export declare type FileComparator = EmptinessComparator;
export declare type CheckboxComparator = CheckboxSpecificComparator;
export declare type URLComparator = EmptinessComparator | StringComparator;
export declare type EmailComparator = EmptinessComparator | StringComparator;
export declare type PhoneComparator = EmptinessComparator | StringComparator;
export declare type CreatedEditedTimeComparator = DateComparator;
export declare type CreatedEditedByComparator = SelectComparator;
/** Comparator union. */
export declare type Comparator = TitleComparator | TextComparator | NumberComparator | SelectComparator | MultiSelectComparator | DateComparator | PersonComparator | FileComparator | CheckboxComparator | URLComparator | EmailComparator | PhoneComparator | CreatedEditedTimeComparator | CreatedEditedByComparator;
/**
 * Valid FilterValueType when Comparator is "date_is", "date_is_before",
 * "date_is_after", "date_is_on_or_before", "date_is_on_or_after".
 */
export declare type FilterValueTypeDateIsOnBeforeAfter = "exact_date" | "today" | "tomorrow" | "yesterday" | "one_week_ago" | "one_week_from_now" | "one_month_ago" | "one_month_from_now";
/** Valid FilterValueType when Comparator is "date_is_within". */
export declare type FilterValueTypeDateIsWithin = "the_past_week" | "the_past_month" | "the_past_year" | "the_next_week" | "the_next_month" | "the_next_year";
/** Valid FilterValueType when PropertyType is "person". */
export declare type FilterValueTypePerson = "person";
/**
 * In {@link Filter}, when `value` exists, this describes
 * the `type` of `value`, otherwise, an instruction to get `value`.
 */
export declare type FilterValueType = FilterValueTypeDateIsOnBeforeAfter | FilterValueTypeDateIsWithin | FilterValueTypePerson;
export declare type FilterOperator = "and" | "or";
export interface Filter {
    comparator: Comparator;
    id: Util.UUID;
    property: Collection.ColumnID;
    type: Collection.ColumnPropertyType;
    /**
     * `value_type` exists when `type` is "date" or "person".
     */
    value_type?: FilterValueType;
    /**
     * When `type` is "date", `value` exists only if `value_type`
     * is "exact_date".
     *
     * When `type` is "checkbox", `value` can only be "Yes" or "No".
     *
     * When `type` is "person", `value` is the id of an user.
     *
     * For all `type`, `value` may not exist if `comparator` is
     * "is_empty" or "is_not_empty".
     */
    value?: string;
}
/**
 * TODO: Look into the new `Filter2.filter.value.type`
 */
export interface Filter2 {
    filter: {
        value?: {
            type: "exact" | string;
            value: boolean | number | string;
        };
        operator: Comparator;
    };
    property: Collection.ColumnID;
}
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