import { Clause } from "../clauses/Clause";
import type { CypherEnvironment } from "../Environment";
import type { Literal } from "../references/Literal";
import type { Param } from "../references/Param";
import type { Variable } from "../references/Variable";
import type { Expr } from "../types";
import type { YieldProjectionColumn } from "./Yield";
import { Yield } from "./Yield";
/** @group Procedures */
export type InputArgument<T extends string | number> = T | Variable | Literal<T> | Param<T>;
/** Cypher Procedure that does not yield columns
 * @see {@link https://neo4j.com/docs/cypher-manual/current/clauses/call/ | Cypher Documentation}
 * @group Procedures
 */
export declare class VoidCypherProcedure extends Clause {
    protected name: string;
    private readonly params;
    protected _optional: boolean;
    constructor(name: string, params?: Array<Expr>, namespace?: string);
    optional(): this;
    /** @internal */
    getCypher(env: CypherEnvironment): string;
    private getProcedureCypher;
    protected generateOptionalStr(): string;
}
/** Cypher Procedure
 * @see {@link https://neo4j.com/docs/cypher-manual/current/clauses/call/ | Cypher Documentation}
 * @group Procedures
 */
export declare class CypherProcedure<T extends string = string> extends VoidCypherProcedure {
    private yieldStatement;
    yield(...columns: Array<"*" | YieldProjectionColumn<T>>): Yield<T>;
    /** @internal */
    getCypher(env: CypherEnvironment): string;
}