import { Querier } from '@platform-modules/db';
import * as drizzle_orm_pg_core from 'drizzle-orm/pg-core';

declare const settingsKv: drizzle_orm_pg_core.PgTableWithColumns<{
    name: "settings_kv";
    schema: undefined;
    columns: {
        key: drizzle_orm_pg_core.PgColumn<{
            name: "key";
            tableName: "settings_kv";
            dataType: "string";
            columnType: "PgText";
            data: string;
            driverParam: string;
            notNull: true;
            hasDefault: false;
            isPrimaryKey: true;
            isAutoincrement: false;
            hasRuntimeDefault: false;
            enumValues: [string, ...string[]];
            baseColumn: never;
            identity: undefined;
            generated: undefined;
        }, {}, {}>;
        value: drizzle_orm_pg_core.PgColumn<{
            name: "value";
            tableName: "settings_kv";
            dataType: "json";
            columnType: "PgJsonb";
            data: unknown;
            driverParam: unknown;
            notNull: true;
            hasDefault: false;
            isPrimaryKey: false;
            isAutoincrement: false;
            hasRuntimeDefault: false;
            enumValues: undefined;
            baseColumn: never;
            identity: undefined;
            generated: undefined;
        }, {}, {}>;
        updatedAt: drizzle_orm_pg_core.PgColumn<{
            name: "updated_at";
            tableName: "settings_kv";
            dataType: "date";
            columnType: "PgTimestamp";
            data: Date;
            driverParam: string;
            notNull: true;
            hasDefault: true;
            isPrimaryKey: false;
            isAutoincrement: false;
            hasRuntimeDefault: false;
            enumValues: undefined;
            baseColumn: never;
            identity: undefined;
            generated: undefined;
        }, {}, {}>;
    };
    dialect: "pg";
}>;
declare const settingsSchema: {
    settingsKv: drizzle_orm_pg_core.PgTableWithColumns<{
        name: "settings_kv";
        schema: undefined;
        columns: {
            key: drizzle_orm_pg_core.PgColumn<{
                name: "key";
                tableName: "settings_kv";
                dataType: "string";
                columnType: "PgText";
                data: string;
                driverParam: string;
                notNull: true;
                hasDefault: false;
                isPrimaryKey: true;
                isAutoincrement: false;
                hasRuntimeDefault: false;
                enumValues: [string, ...string[]];
                baseColumn: never;
                identity: undefined;
                generated: undefined;
            }, {}, {}>;
            value: drizzle_orm_pg_core.PgColumn<{
                name: "value";
                tableName: "settings_kv";
                dataType: "json";
                columnType: "PgJsonb";
                data: unknown;
                driverParam: unknown;
                notNull: true;
                hasDefault: false;
                isPrimaryKey: false;
                isAutoincrement: false;
                hasRuntimeDefault: false;
                enumValues: undefined;
                baseColumn: never;
                identity: undefined;
                generated: undefined;
            }, {}, {}>;
            updatedAt: drizzle_orm_pg_core.PgColumn<{
                name: "updated_at";
                tableName: "settings_kv";
                dataType: "date";
                columnType: "PgTimestamp";
                data: Date;
                driverParam: string;
                notNull: true;
                hasDefault: true;
                isPrimaryKey: false;
                isAutoincrement: false;
                hasRuntimeDefault: false;
                enumValues: undefined;
                baseColumn: never;
                identity: undefined;
                generated: undefined;
            }, {}, {}>;
        };
        dialect: "pg";
    }>;
};
type SettingsSchema = typeof settingsSchema;

interface SettingsStore {
    get<T = unknown>(key: string): Promise<T | null>;
    getMany(keys: string[]): Promise<Record<string, unknown>>;
    set(key: string, value: unknown): Promise<void>;
    all(): Promise<Record<string, unknown>>;
    remove(key: string): Promise<void>;
}
declare class SettingsValidationError extends Error {
    readonly field: string;
    readonly detail: string;
    readonly name = "SettingsValidationError";
    constructor(field: string, detail: string);
}
declare const SETTINGS_KEYS: {
    readonly siteName: "site.name";
    readonly siteUrl: "site.url";
    readonly logo: "site.logo";
    readonly homepage: "site.homepage";
    readonly maintenance: "site.maintenance";
};
declare function settingsTableSql(table?: string): string;
declare function createDbSettingsStore(db: Querier<SettingsSchema>, _opts?: {
    table?: string;
}): SettingsStore;

export { SETTINGS_KEYS, type SettingsSchema, type SettingsStore, SettingsValidationError, createDbSettingsStore, settingsKv, settingsSchema, settingsTableSql };