import { Dialect } from './Dialect';
/** Marks an interpolation as an identifier: spliced into the SQL text dialect-quoted, never a bind parameter. */
export declare class SqlIdentifier {
    readonly name: string;
    constructor(name: string);
}
/** A composable, dialect-agnostic SQL snippet produced by the `sql` tag. */
export declare class SqlFragment {
    readonly strings: readonly string[];
    readonly values: readonly unknown[];
    constructor(strings: readonly string[], values: readonly unknown[]);
    /** Compile for a dialect. `startIndex` seeds placeholder numbering so nested fragments thread through. */
    render(dialect: Dialect, startIndex?: number): {
        text: string;
        values: unknown[];
    };
}
/** Tagged-template literal: interpolations become bind parameters; nest fragments or `sql.id()` to compose. */
export declare function sql(strings: TemplateStringsArray, ...values: unknown[]): SqlFragment;
export declare namespace sql {
    var id: (name: string) => SqlIdentifier;
}