import { Ast, Type } from 'thingtalk';
import type { SlotBag } from './slot_bag';
import type { Placeholder, ExpressionWithCoreference, ErrorMessage, ParamSlot, FilterSlot, DomainIndependentFilterSlot, InputParamSlot } from './utils';
export declare function placeholderKeyFn(pl: Placeholder): {
    type: Type;
    is_numeric: boolean;
};
export declare function valueKeyFn(value: Ast.Value): {
    type: Type;
    is_numeric: boolean;
    is_constant: boolean;
};
export declare function valueArrayKeyFn(values: Ast.Value[]): {
    type: Type;
    is_numeric: boolean;
};
export declare function entityOrNumberValueKeyFn(value: Ast.EntityValue | Ast.NumberValue): {
    type: Type;
    is_numeric: boolean;
    value: string | number | null;
};
export declare function filterKeyFn(slot: FilterSlot | DomainIndependentFilterSlot): {
    functionName: string | null;
    type: Type | null;
    is_numeric: boolean;
    associatedIdType: Type | null;
};
export declare function inputParamKeyFn(slot: InputParamSlot): {
    functionName: string;
    type: Type;
};
export declare function paramKeyFn(slot: ParamSlot): {
    functionName: string;
    type: Type;
    is_numeric: boolean;
    elem: Type | null;
    is_numeric_elem: boolean;
    associatedIdType: Type | null;
    filterable: boolean;
    symmetric: boolean;
};
export declare function paramArrayKeyFn(slots: ParamSlot[]): {
    functionName: null;
    type: null;
    associatedIdType: null;
    filterable: boolean;
} | {
    functionName: string;
    type: Type;
    associatedIdType: Type | null;
    filterable: boolean;
};
export declare function functionDefKeyFn(fndef: Ast.FunctionDef): {
    functionName: string;
};
export declare function expressionKeyFn(expr: Ast.Expression): {
    functionName: string;
    is_list: boolean;
    is_monitorable: boolean;
    has_geo: boolean;
    projectionType: Type | null;
    isEventProjection: boolean;
    implicitParamPassingType: Type | null;
    idType: Type | null;
};
export declare function invocationKeyFn(expr: Ast.Invocation): {
    functionName: string;
    is_list: boolean;
    is_monitorable: boolean;
    has_geo: boolean;
    idType: Type | null;
};
export declare function slotBagKeyFn(expr: SlotBag): {
    functionName: string | null;
    idType: Type | null;
};
export declare function errorMessageKeyFn(msg: ErrorMessage): {
    functionName: string | null;
};
export declare function expressionStatementKeyFn(expr: Ast.ExpressionStatement): {
    functionName: string;
};
export declare function argMinMaxKeyFn(argminmax: [ParamSlot, 'asc' | 'desc']): {
    functionName: string;
    type: Type;
    is_numeric: boolean;
    elem: Type | null;
    is_numeric_elem: boolean;
    associatedIdType: Type | null;
    filterable: boolean;
    symmetric: boolean;
};
export declare function expressionWithCoreferenceKeyFn(coref: ExpressionWithCoreference): {
    functionName: string;
    idType: Type | null;
    corefType: Type;
    corefFunctionName: string | null;
};