import postcss from 'postcss';
import { Diagnostics } from './diagnostics';
import { SelectorAstNode } from './selector-utils';
import { Imported, RefedMixin, StylableDirectives, StylableMeta } from './stylable-meta';
export * from './stylable-meta';
export declare const processorWarnings: {
    UNSCOPED_CLASS(name: string): string;
    UNSCOPED_ELEMENT(name: string): string;
    FORBIDDEN_DEF_IN_COMPLEX_SELECTOR(name: string): string;
    ROOT_AFTER_SPACING(): string;
    DEFAULT_IMPORT_IS_LOWER_CASE(): string;
    ILLEGAL_PROP_IN_IMPORT(propName: string): string;
    STATE_DEFINITION_IN_ELEMENT(): string;
    STATE_DEFINITION_IN_COMPLEX(): string;
    REDECLARE_SYMBOL(name: string): string;
    CANNOT_RESOLVE_EXTEND(name: string): string;
    CANNOT_EXTEND_IN_COMPLEX(): string;
    UNKNOWN_MIXIN(name: string): string;
    OVERRIDE_MIXIN(): string;
    OVERRIDE_TYPED_RULE(key: string, name: string): string;
    FROM_PROP_MISSING_IN_IMPORT(): string;
    INVALID_NAMESPACE_DEF(): string;
    EMPTY_NAMESPACE_DEF(): string;
    EMPTY_IMPORT_FROM(): string;
    MULTIPLE_FROM_IN_IMPORT(): string;
    NO_VARS_DEF_IN_ST_SCOPE(): string;
    NO_IMPORT_IN_ST_SCOPE(): string;
    NO_KEYFRAMES_IN_ST_SCOPE(): string;
    SCOPE_PARAM_NOT_SIMPLE_SELECTOR(selector: string): string;
    MISSING_SCOPING_PARAM(): string;
    ILLEGAL_GLOBAL_CSS_VAR(name: string): string;
    GLOBAL_CSS_VAR_MISSING_COMMA(name: string): string;
    ILLEGAL_CSS_VAR_USE(name: string): string;
    ILLEGAL_CSS_VAR_ARGS(name: string): string;
};
export declare class StylableProcessor {
    protected diagnostics: Diagnostics;
    private resolveNamespace;
    protected meta: StylableMeta;
    constructor(diagnostics?: Diagnostics, resolveNamespace?: typeof processNamespace);
    process(root: postcss.Root): StylableMeta;
    insertCustomSelectorsStubs(): (postcss.Rule | null)[];
    handleCustomSelectors(rule: postcss.Rule): void;
    protected handleAtRules(root: postcss.Root): void;
    private handleNamespaceReference;
    protected handleRule(rule: SRule, inStScope?: boolean): void;
    protected checkRedeclareSymbol(symbolName: string, node: postcss.Node): void;
    protected addElementSymbolOnce(name: string, rule: postcss.Rule): void;
    protected addClassSymbolOnce(name: string, rule: postcss.Rule): void;
    protected addImportSymbols(importDef: Imported): void;
    protected addVarSymbols(rule: postcss.Rule): void;
    protected handleCSSVarUse(decl: postcss.Declaration): void;
    protected addCSSVarFromProp(decl: postcss.Declaration): void;
    protected addCSSVar(varName: string, decl: postcss.Declaration): void;
    protected handleDirectives(rule: SRule, decl: postcss.Declaration): void;
    protected setClassGlobalMapping(decl: postcss.Declaration, rule: postcss.Rule): void;
    protected extendTypedRule(node: postcss.Node, selector: string, key: keyof StylableDirectives, value: any): void;
    protected handleImport(rule: postcss.Rule): Imported;
}
export declare function validateScopingSelector(atRule: postcss.AtRule, { selector: scopingSelector, isSimpleSelector }: SRule, diagnostics: Diagnostics): void;
export declare function createEmptyMeta(root: postcss.Root, diagnostics: Diagnostics): StylableMeta;
export declare function processNamespace(namespace: string, source: string): string;
export declare function process(root: postcss.Root, diagnostics?: Diagnostics, resolveNamespace?: typeof processNamespace): StylableMeta;
export interface SRule extends postcss.Rule {
    selectorAst: SelectorAstNode;
    isSimpleSelector: boolean;
    selectorType: 'class' | 'element' | 'complex';
    mixins?: RefedMixin[];
}
export interface DeclStylableProps {
    sourceValue: string;
}
export interface SDecl extends postcss.Declaration {
    stylable: DeclStylableProps;
}
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