import type { ColumnDef } from '../schema/columns';
/** A condition node used in WHERE clauses. */
export type Condition = {
    type: 'eq';
    column: ColumnDef<any, any>;
    value: unknown;
} | {
    type: 'eqColumn';
    left: ColumnDef<any, any>;
    right: ColumnDef<any, any>;
} | {
    type: 'gt';
    column: ColumnDef<any, any>;
    value: unknown;
} | {
    type: 'gte';
    column: ColumnDef<any, any>;
    value: unknown;
} | {
    type: 'lt';
    column: ColumnDef<any, any>;
    value: unknown;
} | {
    type: 'lte';
    column: ColumnDef<any, any>;
    value: unknown;
} | {
    type: 'neq';
    column: ColumnDef<any, any>;
    value: unknown;
} | {
    type: 'in';
    column: ColumnDef<any, any>;
    values: unknown[];
} | {
    type: 'notIn';
    column: ColumnDef<any, any>;
    values: unknown[];
} | {
    type: 'isNull';
    column: ColumnDef<any, any>;
} | {
    type: 'isNotNull';
    column: ColumnDef<any, any>;
} | {
    type: 'like';
    column: ColumnDef<any, any>;
    pattern: string;
} | {
    type: 'glob';
    column: ColumnDef<any, any>;
    pattern: string;
} | {
    type: 'between';
    column: ColumnDef<any, any>;
    low: unknown;
    high: unknown;
} | {
    type: 'and';
    conditions: Condition[];
} | {
    type: 'or';
    conditions: Condition[];
};
/**
 * Check if a column equals a value, or if two columns are equal.
 *
 * @example
 * // Value comparison
 * where(eq(users.name, "Alice"))
 *
 * // Column-to-column comparison
 * where(eq(orders.userId, users.id))
 */
export declare function eq<T>(column: ColumnDef<T, any>, value: T): Condition;
export declare function eq<T>(left: ColumnDef<T, any>, right: ColumnDef<T, any>): Condition;
/**
 * Combine conditions with AND.
 *
 * @example
 * where(and(eq(users.name, "Alice"), eq(users.active, true)))
 */
export declare function and(...conditions: Condition[]): Condition;
/**
 * Combine conditions with OR.
 *
 * @example
 * where(or(eq(users.role, "admin"), eq(users.role, "moderator")))
 */
export declare function or(...conditions: Condition[]): Condition;
/**
 * Check if a column's value is in the given array.
 *
 * @example
 * where(isIn(users.id, ["u1", "u2", "u3"]))
 */
export declare function isIn<T>(column: ColumnDef<T, any>, values: T[]): Condition;
/**
 * Check if a column's value is not in the given array.
 *
 * @example
 * where(isNotIn(users.id, ["u4", "u5"]))
 */
export declare function isNotIn<T>(column: ColumnDef<T, any>, values: T[]): Condition;
/**
 * Check if a column is NULL.
 *
 * @example
 * where(isNull(users.deletedAt))
 */
export declare function isNull(column: ColumnDef<any, any>): Condition;
/**
 * Check if a column is NOT NULL.
 *
 * @example
 * where(isNotNull(users.name))
 */
export declare function isNotNull(column: ColumnDef<any, any>): Condition;
/**
 * Pattern match using SQL `LIKE`. Use `%` for any sequence of characters, `_` for a single character.
 *
 * @example
 * where(like(users.name, "A%"))
 */
export declare function like(column: ColumnDef<any, any>, pattern: string): Condition;
/**
 * Pattern match using SQL `GLOB`. Use `*` for any sequence of characters, `?` for a single character.
 *
 * @example
 * where(glob(users.name, "A*"))
 */
export declare function glob(column: ColumnDef<any, any>, pattern: string): Condition;
/**
 * Check if a column's value is between `low` and `high` (inclusive).
 *
 * @example
 * where(between(users.age, 18, 65))
 */
export declare function between<T>(column: ColumnDef<T, any>, low: T, high: T): Condition;
/**
 * Check if a column's value is greater than a value.
 *
 * @example
 * where(gt(users.age, 18))
 */
export declare function gt<T>(column: ColumnDef<T, any>, value: T): Condition;
/**
 * Check if a column's value is greater than or equal to a value.
 *
 * @example
 * where(gte(users.age, 18))
 */
export declare function gte<T>(column: ColumnDef<T, any>, value: T): Condition;
/**
 * Check if a column's value is less than a value.
 *
 * @example
 * where(lt(users.age, 65))
 */
export declare function lt<T>(column: ColumnDef<T, any>, value: T): Condition;
/**
 * Check if a column's value is less than or equal to a value.
 *
 * @example
 * where(lte(users.age, 65))
 */
export declare function lte<T>(column: ColumnDef<T, any>, value: T): Condition;
/**
 * Check if a column's value is not equal to a value.
 *
 * @example
 * where(neq(users.id, "u1"))
 */
export declare function neq<T>(column: ColumnDef<T, any>, value: T): Condition;
export declare function compileCondition(cond: Condition, params: unknown[]): string;
export declare function compileConditions(conditions: Condition[], params: unknown[]): string;