import { WordRange } from './textAndWord';
import { StmtContextType } from './entityCollector';
/**
 * The insertion position of the candidate list.
 * Such as cursor position
 */
export interface CaretPosition {
    /** start at 1 */
    readonly lineNumber: number;
    /** start at 1 */
    readonly column: number;
}
/**
 * Syntax context type at caret position
 */
export declare enum EntityContextType {
    /** catalog name */
    CATALOG = "catalog",
    /** catalog name that will be created  */
    CATALOG_CREATE = "catalogCreate",
    /** database name path, such as catalog.db */
    DATABASE = "database",
    /** database name path that will be created  */
    DATABASE_CREATE = "databaseCreate",
    /** table name path, such as catalog.db.tb */
    TABLE = "table",
    /** table name path that will be created */
    TABLE_CREATE = "tableCreate",
    /** view name path, such as db.tb.view */
    VIEW = "view",
    /** view name path that will be created */
    VIEW_CREATE = "viewCreate",
    /** function name */
    FUNCTION = "function",
    /** function name that will be created */
    FUNCTION_CREATE = "functionCreate",
    /** procedure name */
    PROCEDURE = "procedure",
    /** procedure name that will be created */
    PROCEDURE_CREATE = "procedureCreate",
    /** column name */
    COLUMN = "column",
    /** column name that will be created */
    COLUMN_CREATE = "columnCreate"
}
/**
 * Suggested information analyzed from the input
 */
export interface SyntaxSuggestion<T = WordRange> {
    readonly syntaxContextType: EntityContextType | StmtContextType;
    readonly wordRanges: T[];
}
/**
 * Suggested information analyzed from the input
 */
export interface Suggestions<T = WordRange> {
    /**
     * Suggestions about syntax
     */
    readonly syntax: SyntaxSuggestion<T>[];
    /**
     * Suggestions about keywords
     */
    readonly keywords: string[];
}
export type LOCALE_TYPE = 'zh_CN' | 'en_US';
export interface SemanticContext {
    isStatementBeginning: boolean;
}
export declare enum SqlSplitStrategy {
    /** Only end the statement with semicolon symbol */
    STRICT = 0,
    /** Based on parse tree to split statements */
    LOOSE = 1
}
export interface SemanticCollectOptions {
    /**
     * `sqlSplitStrategy` will affects the result of `isStatementBeginning`;
     *
     * For example:
     *
     * The sql is "select id from t1   create\<cart_position\>"
     *
     * - `SqlSplitStrategy.STRICT`: split symbol `;` is missing after select statement so that it considerd as one statement, and `isStatementBeginning` is false
     *
     * - `SqlSplitStrategy.LOOSE`: in parse tree, it will parse to "select id from t1" and "create" two single statement, so `isStatementBeginning` is true
     *
     * @default SqlSplitStrategy.STRICT
     */
    sqlSplitStrategy?: SqlSplitStrategy;
}