/**
 * postgres-mcp - Core Tool Schemas
 *
 * Input validation schemas for core database operations.
 */
import { z } from "zod";
export declare const defaultToEmpty: (val: unknown) => unknown;
export declare const ReadQuerySchemaBase: z.ZodObject<{
    sql: z.ZodOptional<z.ZodString>;
    query: z.ZodOptional<z.ZodString>;
    params: z.ZodOptional<z.ZodArray<z.ZodUnknown>>;
    transactionId: z.ZodOptional<z.ZodString>;
    txId: z.ZodOptional<z.ZodString>;
    tx: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
export declare const ReadQuerySchema: z.ZodPipe<z.ZodObject<{
    sql: z.ZodOptional<z.ZodString>;
    query: z.ZodOptional<z.ZodString>;
    params: z.ZodOptional<z.ZodArray<z.ZodUnknown>>;
    transactionId: z.ZodOptional<z.ZodString>;
    txId: z.ZodOptional<z.ZodString>;
    tx: z.ZodOptional<z.ZodString>;
}, z.core.$strip>, z.ZodTransform<{
    sql: string;
    params: unknown[] | undefined;
    transactionId: string | undefined;
}, {
    sql?: string | undefined;
    query?: string | undefined;
    params?: unknown[] | undefined;
    transactionId?: string | undefined;
    txId?: string | undefined;
    tx?: string | undefined;
}>>;
export declare const WriteQuerySchemaBase: z.ZodObject<{
    sql: z.ZodOptional<z.ZodString>;
    query: z.ZodOptional<z.ZodString>;
    params: z.ZodOptional<z.ZodArray<z.ZodUnknown>>;
    transactionId: z.ZodOptional<z.ZodString>;
    txId: z.ZodOptional<z.ZodString>;
    tx: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
export declare const WriteQuerySchema: z.ZodPipe<z.ZodObject<{
    sql: z.ZodOptional<z.ZodString>;
    query: z.ZodOptional<z.ZodString>;
    params: z.ZodOptional<z.ZodArray<z.ZodUnknown>>;
    transactionId: z.ZodOptional<z.ZodString>;
    txId: z.ZodOptional<z.ZodString>;
    tx: z.ZodOptional<z.ZodString>;
}, z.core.$strip>, z.ZodTransform<{
    sql: string;
    params: unknown[] | undefined;
    transactionId: string | undefined;
}, {
    sql?: string | undefined;
    query?: string | undefined;
    params?: unknown[] | undefined;
    transactionId?: string | undefined;
    txId?: string | undefined;
    tx?: string | undefined;
}>>;
/**
 * Preprocess table parameters:
 * - Alias: tableName/name → table
 * - Parse schema.table format (e.g., 'public.users' → schema: 'public', table: 'users')
 */
export declare function preprocessTableParams(input: unknown): unknown;
export declare const ListTablesSchemaBase: z.ZodObject<{
    schema: z.ZodOptional<z.ZodString>;
    limit: z.ZodOptional<z.ZodNumber>;
    exclude: z.ZodOptional<z.ZodArray<z.ZodString>>;
}, z.core.$strip>;
export declare const ListTablesSchema: z.ZodPreprocess<z.ZodObject<{
    schema: z.ZodOptional<z.ZodString>;
    limit: z.ZodOptional<z.ZodNumber>;
    exclude: z.ZodOptional<z.ZodArray<z.ZodString>>;
}, z.core.$strip>>;
export declare const DescribeTableSchemaBase: z.ZodObject<{
    table: z.ZodOptional<z.ZodString>;
    tableName: z.ZodOptional<z.ZodString>;
    name: z.ZodOptional<z.ZodString>;
    schema: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
export declare const DescribeTableSchema: z.ZodPipe<z.ZodPreprocess<z.ZodObject<{
    table: z.ZodOptional<z.ZodString>;
    tableName: z.ZodOptional<z.ZodString>;
    name: z.ZodOptional<z.ZodString>;
    schema: z.ZodOptional<z.ZodString>;
}, z.core.$strip>>, z.ZodTransform<{
    table: string;
    schema: string | undefined;
}, {
    table?: string | undefined;
    tableName?: string | undefined;
    name?: string | undefined;
    schema?: string | undefined;
}>>;
export declare const CreateTableSchemaBase: z.ZodObject<{
    table: z.ZodOptional<z.ZodString>;
    tableName: z.ZodOptional<z.ZodString>;
    name: z.ZodOptional<z.ZodString>;
    schema: z.ZodOptional<z.ZodString>;
    columns: z.ZodOptional<z.ZodArray<z.ZodObject<{
        name: z.ZodString;
        type: z.ZodString;
        nullable: z.ZodOptional<z.ZodBoolean>;
        notNull: z.ZodOptional<z.ZodBoolean>;
        primaryKey: z.ZodOptional<z.ZodBoolean>;
        unique: z.ZodOptional<z.ZodBoolean>;
        default: z.ZodOptional<z.ZodUnion<readonly [z.ZodString, z.ZodNumber, z.ZodBoolean]>>;
        defaultValue: z.ZodOptional<z.ZodUnion<readonly [z.ZodString, z.ZodNumber, z.ZodBoolean]>>;
        check: z.ZodOptional<z.ZodString>;
        references: z.ZodOptional<z.ZodUnknown>;
    }, z.core.$strip>>>;
    primaryKey: z.ZodOptional<z.ZodArray<z.ZodString>>;
    constraints: z.ZodOptional<z.ZodArray<z.ZodObject<{
        name: z.ZodOptional<z.ZodString>;
        type: z.ZodEnum<{
            check: "check";
            unique: "unique";
        }>;
        expression: z.ZodOptional<z.ZodString>;
        columns: z.ZodOptional<z.ZodArray<z.ZodString>>;
    }, z.core.$strip>>>;
    ifNotExists: z.ZodOptional<z.ZodBoolean>;
}, z.core.$strip>;
export declare const CreateTableSchema: z.ZodPipe<z.ZodPreprocess<z.ZodObject<{
    table: z.ZodOptional<z.ZodString>;
    tableName: z.ZodOptional<z.ZodString>;
    name: z.ZodOptional<z.ZodString>;
    schema: z.ZodOptional<z.ZodString>;
    columns: z.ZodOptional<z.ZodArray<z.ZodObject<{
        name: z.ZodString;
        type: z.ZodString;
        nullable: z.ZodOptional<z.ZodBoolean>;
        notNull: z.ZodOptional<z.ZodBoolean>;
        primaryKey: z.ZodOptional<z.ZodBoolean>;
        unique: z.ZodOptional<z.ZodBoolean>;
        default: z.ZodOptional<z.ZodUnion<readonly [z.ZodString, z.ZodNumber, z.ZodBoolean]>>;
        defaultValue: z.ZodOptional<z.ZodUnion<readonly [z.ZodString, z.ZodNumber, z.ZodBoolean]>>;
        check: z.ZodOptional<z.ZodString>;
        references: z.ZodOptional<z.ZodUnknown>;
    }, z.core.$strip>>>;
    primaryKey: z.ZodOptional<z.ZodArray<z.ZodString>>;
    constraints: z.ZodOptional<z.ZodArray<z.ZodObject<{
        name: z.ZodOptional<z.ZodString>;
        type: z.ZodEnum<{
            check: "check";
            unique: "unique";
        }>;
        expression: z.ZodOptional<z.ZodString>;
        columns: z.ZodOptional<z.ZodArray<z.ZodString>>;
    }, z.core.$strip>>>;
    ifNotExists: z.ZodOptional<z.ZodBoolean>;
}, z.core.$strip>>, z.ZodTransform<{
    name: string;
    schema: string | undefined;
    columns: {
        name: string;
        type: string;
        nullable: boolean | undefined;
        primaryKey: boolean | undefined;
        unique: boolean | undefined;
        default: string | undefined;
        check: string | undefined;
        references: {
            table: string;
            column: string;
            onDelete?: string;
            onUpdate?: string;
        } | undefined;
    }[];
    primaryKey: string[] | undefined;
    constraints: {
        type: "check" | "unique";
        name?: string | undefined;
        expression?: string | undefined;
        columns?: string[] | undefined;
    }[] | undefined;
    ifNotExists: boolean | undefined;
}, {
    table?: string | undefined;
    tableName?: string | undefined;
    name?: string | undefined;
    schema?: string | undefined;
    columns?: {
        name: string;
        type: string;
        nullable?: boolean | undefined;
        notNull?: boolean | undefined;
        primaryKey?: boolean | undefined;
        unique?: boolean | undefined;
        default?: string | number | boolean | undefined;
        defaultValue?: string | number | boolean | undefined;
        check?: string | undefined;
        references?: unknown;
    }[] | undefined;
    primaryKey?: string[] | undefined;
    constraints?: {
        type: "check" | "unique";
        name?: string | undefined;
        expression?: string | undefined;
        columns?: string[] | undefined;
    }[] | undefined;
    ifNotExists?: boolean | undefined;
}>>;
export declare const DropTableSchemaBase: z.ZodObject<{
    table: z.ZodOptional<z.ZodString>;
    tableName: z.ZodOptional<z.ZodString>;
    name: z.ZodOptional<z.ZodString>;
    schema: z.ZodOptional<z.ZodString>;
    ifExists: z.ZodOptional<z.ZodBoolean>;
    cascade: z.ZodOptional<z.ZodBoolean>;
}, z.core.$strip>;
export declare const DropTableSchema: z.ZodPipe<z.ZodPreprocess<z.ZodObject<{
    table: z.ZodOptional<z.ZodString>;
    tableName: z.ZodOptional<z.ZodString>;
    name: z.ZodOptional<z.ZodString>;
    schema: z.ZodOptional<z.ZodString>;
    ifExists: z.ZodOptional<z.ZodBoolean>;
    cascade: z.ZodOptional<z.ZodBoolean>;
}, z.core.$strip>>, z.ZodTransform<{
    table: string;
    schema: string | undefined;
    ifExists: boolean | undefined;
    cascade: boolean | undefined;
}, {
    table?: string | undefined;
    tableName?: string | undefined;
    name?: string | undefined;
    schema?: string | undefined;
    ifExists?: boolean | undefined;
    cascade?: boolean | undefined;
}>>;
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